Puruhára:Tatu guasu/Guyra
Fuente: Fauna Paraguay: Checklist of the Birds of Paraguay 1, 2
Ehecha avai: Guyrakuéra réra guaraníme, tembikuaatyguápe ha karaiñe'ẽme
| Avañe'ẽ | Lasioñe'ẽ | Ingleñe'ẽ | Karaiñe'ẽ | Order | Family |
|---|---|---|---|---|---|
| achi'ija | Amaurospiza moesta | Blackish-blue Seedeater | Reinamora enana | Order Passeriformes | Emberizidae (41) Emberizids |
| aguapeaso | Jacana jacana | Wattled Jacana | Jacana | Order Charadriiformes | Jacanidae (1) Jacanas |
| ajajai | Platalea ajaja | Roseate Spoonbill | Espátula rosada | Order Ciconiiformes | Threskiornithidae (6) Ibises |
| akã botõ | Mackenziaena severa | Tufted Antshrike | Batará copetón | Order Passeriformes | Thamnophilidae (22) Antbirds |
| akã chovy | Thraupis bonariensis | Blue-and-yellow Tanager | Naranjero | Order Passeriformes | Thraupidae (26) Tanagers |
| aka pytã | Paroaria capitata | Yellow-billed Cardinal | Cardenilla | Order Passeriformes | Emberizidae (41) Emberizids |
| aka'e ñu | Cyanocorax cristatellus | Curl-crested Jay | Urraca campestre | Order Passeriformes | Corvidae (4) Jays |
| aka'ẽ hovy | Cyanocorax caeruleus | Azure Jay | Urraca celeste | Order Passeriformes | Corvidae (4) Jays |
| aka'ẽ hũ | Cyanocorax cyanomelas | Purplish Jay | Urraca morada | Order Passeriformes | Corvidae (4) Jays |
| aka'ẽ morotĩ michi | Cissopis leverianus | Magpie Tanager | Frutero overo | Order Passeriformes | Thraupidae (26) Tanagers |
| aka'ẽ para | Cyanocorax chrysops | Plush-crested Jay | Urraca | Order Passeriformes | Corvidae (4) Jays |
| akãtĩ | Fluvicola leucocephala | White-headed Marsh-Tyrant | Lavandera | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| akuku | Chordeiles acutipennis | Lesser Nighthawk | Atajacaminos ala fina | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| anambe | Pachyramphus validus | Crested Becard | Anambé grande | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| anambe ayvu | Sirystes sibilator | Eastern Sirystes | Suiriri silbón | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| anambe hovy | Pachyramphus viridis | Green-backed Becard | Anambé verdoso | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| anambe hũ | Pachyramphus polychopterus | White-winged Becard | Anambé negro | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| anambe jetapa | Phibalura flavirostris | Swallow-tailed Cotinga | Tesorito | Order Passeriformes | Cotingidae (3) Cotingas |
| anambe pytã | Pachyramphus castaneus | Grey-naped Becard | Anambé castaño | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| ano | Crotophaga ani | Smooth-billed Ani | Anó chico | Order Cuculiformes | Cuculidae (13) Cuckoos |
| ano guasu | Crotophaga major | Greater Ani | Anó grande | Order Cuculiformes | Cuculidae (13) Cuckoos |
| añuma | Anhima cornuta | Horned Screamer | Chajá real | Order Anseriformes | Anhimidae (2) Screamers |
| añumby pytã | Phacellodomus ruber | Greater Thornbird | Espinero grande | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| añumby'i | Phacellodomus sibilatrix; Phacellodomus rufifrons | Little Thornbird; Rufous-fronted Thornbird | Espinero chico; Espinero frente rojiza | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| apakaní | Morphnus guianensis | Crested Eagle | Águila monera | Order Falconiformes | Accipitridae (35) Birds of Prey |
| apetingã | Fulica rufifrons | Red-fronted Coot | Gallareta escudete rojo | Order Gruiformes | Rallidae (23) Rails |
| apykasu | Patagioenas maculosa | Spot-winged Pigeon | Paloma manchada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| apysa hũ | Coryphaspiza melanotis | Black-masked Finch | Cachilo de antifaz | Order Passeriformes | Emberizidae (41) Emberizids |
| araguyra | Coryphospingus cucullatus | Red Pileated-Finch | Brasita de fuego | Order Passeriformes | Emberizidae (41) Emberizids |
| arapapa | Cochlearius cochlearius | Boat-billed Heron | Garza cucharona | Order Ciconiiformes | Ardeidae (14) Herons |
| arapasu guasu | Drymornis bridgesii | Scimitar-billed Woodcreeper | Chinchero grande | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu hovy | Dendrocincla turdina | Thrush-like Woodcreeper | Trepador pardo | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu juru karapã | Campylorhamphus trochilirostris | Red-billed Scythebill | Picapalo colorado | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu ka'atĩ | Lepidocolaptes angustirostris | Narrow-billed Woodcreeper | Chinchero chico | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu ñu | Xiphocolaptes major | Great Rufous Woodcreeper | Trepador gigante | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu pini | Lepidocolaptes squamatus | Scaled Woodcreeper | Chinchero escamado | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu pytãmi | Sittasomus griseicapillus | Olivaceous Woodcreeper | Tarefero | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu'i | Xiphorhynchus fuscus | Lesser Woodcreeper | Chinchero enano | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| arapasu'i rã | Heliobletus contaminatus; Xenops rutilans; Xenops minutus | Sharp-billed Treehunter; Streaked Xenops; Plain Xenops | Picolezna estriado; Picolezna rojizo; Picolezna chico | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| arirai | Pteronura brasiliensis | Giant Otter | Nutria gigante | Order Carnivora (20) | Mustelidae (5) Mustelids |
| arivaja | Pyrrhura frontalis | Reddish-bellied Parakeet | Chiripepé cabeza verde | Order Psittaciformes | Psittacidae (24) Parrots |
| arivaya | Pyrrhura devillei | Blaze-winged Parakeet | Chiripepé ala anaranjada | Order Psittaciformes | Psittacidae (24) Parrots |
| arua'i | Aratinga leucophthalma | White-eyed Parakeet | Maracaná ala roja | Order Psittaciformes | Psittacidae (24) Parrots |
| arumarã | Molothrus rufoaxillaris | Screaming Cowbird | Tordo pico corto | Order Passeriformes | Icteridae (20) New World Blackbirds |
| asana'i | Porzana albicollis | Ash-throated Crake | Burrito grande | Order Gruiformes | Rallidae (23) Rails |
| atĩ | Gelochelidon nilotica; Sterna hirundo; Sterna paradisaea; Sterna trudeaui; Thalasseus maximus | Gull-billed Tern; Common Tern; Arctic Tern; Trudeau's Tern; Royal Tern | Gaviotín pico grueso; Gaviotín; Gaviotín ártico; Gaviotín lagunero; Gaviotín real | Order Charadriiformes | Laridae (11) Gulls and Terns |
| atĩ guasu | Phaetusa simplex | Large-billed Tern | Gaviotín | Order Charadriiformes | Laridae (11) Gulls and Terns |
| atĩ'i | Sternula superciliaris | Yellow-billed Tern | Gaviotín chico | Order Charadriiformes | Laridae (11) Gulls and Terns |
| bevyra | Nemosia pileata | Hooded Tanager | Frutero cabeza negra | Order Passeriformes | Thraupidae (26) Tanagers |
| burundi | Ramphocelus carbo | Silver-beaked Tanager | Sangre de toro | Order Passeriformes | Thraupidae (26) Tanagers |
| chahã | Chauna torquata | Southern Screamer | Chajá | Order Anseriformes | Anhimidae (2) Screamers |
| chakurrai | Cacicus haemorrhous | Red-rumped Cacique | Cacique | Order Passeriformes | Icteridae (20) New World Blackbirds |
| chakuru | Nystalus chacuru | White-eared Puffbird | Chacurú listado | Order Galbuliformes | Bucconidae (4) Puffbirds |
| chakuru guasu | Notharchus swainsoni | Buff-bellied Puffbird | Chacurú grande | Order Galbuliformes | Bucconidae (4) Puffbirds |
| chakuru para | Nystalus striatipectus | Caatinga Puffbird | Durmilí | Order Galbuliformes | Bucconidae (4) Puffbirds |
| chakuru'i | Nonnula rubecula | Rusty-breasted Nunlet | Chacurú enano | Order Galbuliformes | Bucconidae (4) Puffbirds |
| chapĩ | Archiplanus chrysopterus | Golden-winged Cacique | Boyero ala amarilla | Order Passeriformes | Icteridae (20) New World Blackbirds |
| che oro para | Thamnophilus doliatus | Barred Antshrike | Batará rayado | Order Passeriformes | Thamnophilidae (22) Antbirds |
| che tu'ĩ | Synallaxis frontalis | Sooty-fronted Spinetail | Pijuí frente gris | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| chesyhasy | Zonotrichia capensis | Rufous-collared Sparrow | San Francisco | Order Passeriformes | Emberizidae (41) Emberizids |
| chi'i | Anthus lutescens | Yellowish Pipit | Cachirla chica | Order Passeriformes | Motacillidae (6) Pipits |
| chikli | Synallaxis albescens | Pale-breasted Spinetail | Pijuí cola parda | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| chikli hovy | Synallaxis cinerascens | Grey-bellied Spinetail | Pijuí ceniciento | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| chimbe | Mergus octosetaceus | Brazilian Merganser | Pato serrucho | Order Anseriformes | Anatidae (21) Ducks |
| chipíu | Sicalis luteola | Grassland Yellow-finch | Misto | Order Passeriformes | Emberizidae (41) Emberizids |
| chiripepe | Pyrrhura molinae | Green-cheeked Parakeet | Chiripepé cabeza parda | Order Psittaciformes | Psittacidae (24) Parrots |
| chivi | Vireo olivaceus | Red-eyed Vireo | Chiví | Order Passeriformes | Vireonidae (3) Vireos |
| chivi akã pytã | Hylophilus poicilotis | Rufous-crowned Greenlet | Chiví coronado | Order Passeriformes | Vireonidae (3) Vireos |
| chivi chivi | Poospiza melanoleuca | Black-capped Warbling-Finch | Monterita cabeza negra | Order Passeriformes | Emberizidae (41) Emberizids |
| chochi | Tapera naevia | Striped Cuckoo | Crespín | Order Cuculiformes | Cuculidae (13) Cuckoos |
| chõcho | Knipolegus striaticeps | Cinereous Tyrant | Viudita chaqueña | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| choe | Icterus croconotus | Orange-backed Troupial | Matico | Order Passeriformes | Icteridae (20) New World Blackbirds |
| choperu | Myiarchus swainsoni; Myiarchus ferox; Myiarchus tyrannulus | Swainson's Myiarchus; Short-crested Myiarchus; Brown-crested Myiarchus | Burlisto pico canela; Burlisto pico negro; Burlisto cola castaña | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| chopĩ | Gnorimopsar chopi | Chopi Blackbird | Chopí | Order Passeriformes | Icteridae (20) New World Blackbirds |
| chopĩ estero | Agelasticus cyanopus | Unicoloured Blackbird | Varillero negro | Order Passeriformes | Icteridae (20) New World Blackbirds |
| chopĩ pytã | Agelaioides badius | Greyish Baywing | Músico | Order Passeriformes | Icteridae (20) New World Blackbirds |
| chopĩ sa'yju | Xanthopsar flavus | Saffron-cowled Blackbird | Tordo amarillo | Order Passeriformes | Icteridae (20) New World Blackbirds |
| chopí tyvytá | Sturnella superciliaris | White-browed Blackbird | Pecho colorado | Order Passeriformes | Icteridae (20) New World Blackbirds |
| chorao | Amazona pretrei | Red-spectacled Amazon | Charao | Order Psittaciformes | Psittacidae (24) Parrots |
| choro ñanandy | Formicivora rufa | Rusty-backed Antwren | Batará cola negra | Order Passeriformes | Thamnophilidae (22) Antbirds |
| chororo | Mackenziaena leachii; Taraba major | Large-tailed Antshrike; Great Antshrike | Batará pintado; Chororó | Order Passeriformes | Thamnophilidae (22) Antbirds |
| chororo'i | Herpsilochmus atricapillus | Black-capped Antwren | Tiluchí plomizo | Order Passeriformes | Thamnophilidae (22) Antbirds |
| chovy ñu | Schistochlamys ruficapillus | Cinnamon Tanager | Frutero canela | Order Passeriformes | Thraupidae (26) Tanagers |
| chu'i | Poospiza cabinisi | Paraná Warbling-Finch | Monterita rojiza | Order Passeriformes | Emberizidae (41) Emberizids |
| chululu | Arenaria interpres; Phalaropus fulicarius; Phalaropus tricolor | Ruddy Turnstone; Red Phalarope; Wilson's Phalarope | Vuelvepiedras; Falaropo pico grueso; Falaropo tricolor | Order Charadriiformes | Scolopacidae (22) Waders |
| chululu'i | Numenius borealis; Limosa haemastica; Calidris canutus; Calidris minutilla; Calidris alba; Calidris fuscicollis; Calidris pusilla; Calidris bairdii; Calidris melanotos; Calidris alpina; Calidris himantopus; Tryngites subruficollis; Hylopezus nattereri | Eskimo Curlew; Hudsonian Godwit; Red Knot; Least Sandpiper; Sanderling; White-rumped Sandpiper; Semipalmated Sandpiper; Baird's Sandpiper; Pectoral Sandpiper; Dunlin; Stilt Sandpiper; Buff-breasted Sandpiper; Speckle-breasted Antpitta | Campesino; Becasa de mar; Playerito rojizo; Playerito enano; Playerito blanco; Playerito rabadilla blanca; Playerito escudado; Playerito unicolor; Playerito pectoral; Playerito vientre negro; Playerito zancudo; Playerito canela; Chululú chico | Order Charadriiformes; Order Passeriformes | Scolopacidae (22) Waders; Formicariidae (3) Ground Antbirds |
| eichuja'i | Legatus leucophaius | Piratic Flycatcher | Tuquito chico | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| gua'a hovy | Anodorhynchus hyacinthinus; Anodorhynchus glaucus | Hyacinth Macaw; Glaucous Macaw | Papagayo azul; Papagayo violáceo | Order Psittaciformes | Psittacidae (24) Parrots |
| gua'a pytã | Ara chloropterus | Red-and-green Macaw | Papagayo rojo | Order Psittaciformes | Psittacidae (24) Parrots |
| guanana | Neochen jubata | Orinoco Goose | Ganso de monte | Order Anseriformes | Anatidae (21) Ducks |
| guarakavusu | Cnemotriccus fuscatus | Fuscous Flycatcher | Mosqueta ceja blanca | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| guaranichinga | Saltator fuliginosus | Black-throated Grosbeak | Pepitero negro | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| guarimbo pytã | Phoenicopterus chilensis | Chilean Flamingo | Flamenco | Order Phoenicopteriformes | Phoenicopteridae (1) Flamingos |
| gũiriri | Coryphistera alaudina | Lark-like Brushrunner | Crestudo | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| guyra añumby | Anumbius annumbi | Firewood-gatherer | Leñatero | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| guyra juru tu'ĩ | Sporophila plumbea; Sporophila collaris; Sporophila nigricollis; Sporophila caerulescens; Sporophila bouvreuil; Sporophila pileata | Plumbeous Seedeater; Rusty-collared Seedeater; Yellow-bellied Seedeater; Double-collared Seedeater; Copper Seedeater; Pearly-bellied Seedeater | Corbatita plomizo; Corbatita dominó; Corbatita amarillo; Corbatita; Corbatita cobre; Corbatita boina negra | Order Passeriformes | Emberizidae (41) Emberizids |
| guyra juru tu'ĩ iberá | Sporophila iberaensis | Iberá Seedeater | Capuchino Iberá | Order Passeriformes | Emberizidae (41) Emberizids |
| guyra juru tu'ĩ morotĩ | Sporophila leucoptera | White-bellied Seedeater | Corbatita blanco | Order Passeriformes | Emberizidae (41) Emberizids |
| guyra juru tu'ĩ para | Sporophila lineola | Lined Seedeater | Corbatita overo | Order Passeriformes | Emberizidae (41) Emberizids |
| guyra juru tu'ĩ pytã | Sporophila hypoxantha; Sporophila ruficollis; Sporophila palustris; Sporophila hypochroma; Sporophila cinnamomea | Tawny-bellied Seedeater; Dark-throated Seedeater; Marsh Seedeater; Rufous-rumped Seedeater; Chestnut Seedeater | Capuchino canela; Capuchino garganta café; Capuchino pecho blanco; Capuchino castaño; Capuchino corona gris | Order Passeriformes | Emberizidae (41) Emberizids |
| guyra ka'i | Euscarthmus meloryphus; Euscarthmus rufomarginatus | Tawny-crowned Pygmy-Tyrant; Rufous-sided Pygmy-tyrant | Barullero; Tachurí | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| guyra kapi'i | Tiaris obscurus | Dull-coloured Grassquit | Espiguero pardo | Order Passeriformes | Family incertae sedis (2) |
| guyra karaguataty | Synallaxis hypospodia; Synallaxis albilora; Synallaxis scutata | Cinereous-breasted Spinetail; White-lored Spinetail; Ochre-cheeked Spinetail | Pijuí grillo; Pijuí espinoso; Pijuí canela | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| guyra karoeva | Coereba flaveola | Bananaquit | Mielero | Order Passeriformes | Coerebidae (1) Bananaquit |
| guyra káva | Elaenia flavogaster; Elaenia spectabilis | Yellow-bellied Elaenia; Large Elaenia | Fiofío copetón; Fiofío grande | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| guyra kavaju | Machetornis rixosa | Cattle Tyrant | Caballerizo | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| guyra ñe'engatu | Mimus saturninus | Chalk-browed Mockingbird | Calandria | Order Passeriformes | Mimidae (2) Mockingbirds |
| guyra paja | Momotus momota | Blue-crowned Motmot | Burgo | Order Coraciiformes | Momotidae (2) Motmots |
| guyra pepoasakati | Mimus triurus | White-banded Mockingbird | Calandria real | Order Passeriformes | Mimidae (2) Mockingbirds |
| guyra póng | Procnias nudicollis | Bare-throated Bellbird | Pájaro campana | Order Passeriformes | Cotingidae (3) Cotingas |
| guyra purũ | Antilophia galeata | Helmeted Manakin | Soldadito | Order Passeriformes | Pipridae (4) Manakins |
| guyra pytã | Pyrocephalus rubinus; Attila phoenicurus; Casiornis rufus | Vermilion Flycatcher; Rufous-tailed Attila; Rufous Casiornis | Churrinche; Suiriri cabeza gris; Suiriri castaño | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| guyra tagua | Agelaius thilius; Chrysomus ruficapillus | Yellow-winged Blackbird; Chestnut-capped Blackbird | Varillero ala amarilla; Varillero congo | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyra tape | Anthus furcatus; Anthus hellmayri; Anthus chacoensis; Anthus correndera; Anthus nattereri | Short-billed Pipit; Hellmayr's Pipit; Pampas Pipit; Correndera Pipit; Ochre-breasted Pipit | Cachirla uña corta; Cachirla pálida; Cachirla trinadora; Correndera; Cachirla dorada | Order Passeriformes | Motacillidae (6) Pipits |
| guyra tupao | Passer domesticus | House Sparrow | Gorrión | Order Passeriformes | Passeridae (1) Old World Sparrows |
| guyra vaka | Grallaria varia | Variegated Antpitta | Chululú pintado | Order Passeriformes | Formicariidae (3) Ground Antbirds |
| guyra vera | Hemithraupis guira | Guira Tanager | Saíra dorada | Order Passeriformes | Thraupidae (26) Tanagers |
| guyra'i hũ ka'aguy | Tiaris fuliginosus | Sooty Grassquit | Espiguero negro | Order Passeriformes | Family incertae sedis (2) |
| guyra'i ñu | Melanopareia torquata; Melanopareia maximiliani; Culicivora caudacuta | Collared Crescentchest; Olive-crowned Crescentchest; Sharp-tailed Grass-Tyrant | Gallito nuca canela; Gallito de collar; Tachurí coludo | Order Passeriformes | Melanopareidae (2) Crescentchests; Tyrannidae (102) Tyrant Flycatchers |
| guyratañe | Pheucticus aureoventris | Black-backed Grosbeak | Rey del bosque | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| guyratĩ | Ardea alba | Great Egret | Garza blanca | Order Ciconiiformes | Ardeidae (14) Herons |
| guyratĩ ete guasu | Coscoroba coscoroba | Coscoroba | Coscoroba | Order Anseriformes | Anatidae (21) Ducks |
| guyraũ | Molothrus bonariensis | Shiny Cowbird | Tordo renegrido | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyraũ chorẽ | Pseudoleistes virescens | Brown-and-yellow Marshbird | Pecho amarillo chico | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyraũ guasu | Molothrus oryzivorus | Giant Cowbird | Tordo gigante | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyraũ pytã | Amblyramphus holosericeus | Scarlet-headed Blackbird | Federal | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyraũmi | Icterus pyrrhopterus | Variable Oriole | Boyerito | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyraũño | Procacicus solitarius | Solitary Cacique | Boyero negro | Order Passeriformes | Icteridae (20) New World Blackbirds |
| guyraũro | Pseudoleistes guirahuro | Yellow-rumped Marshbird | Pecho amarillo | Order Passeriformes | Icteridae (20) New World Blackbirds |
| havía | Catharus fuscescens | Veery | Zorzal tropical | Order Passeriformes | Turdidae (7) Thrushes |
| havía guasu | Donacobius atricapilla | Black-capped Donacobius | Calandria estero | Order Passeriformes | Donacobiidae (1) Donacobius |
| havía hũ | Platycichla flavipes | Yellow-legged Thrush | Zorzal azulado | Order Passeriformes | Turdidae (7) Thrushes |
| havía kaaguy | Turdus albicollis | White-necked Thrush | Zorzal collar blanco | Order Passeriformes | Turdidae (7) Thrushes |
| havía kapi'i | Embernagra platensis; Emberizoides herbicola; Emberizoides ypiranganus | Great Pampa-Finch; Wedge-tailed Grass-Finch; Lesser Grass-Finch | Verdón; Coludo grande; Coludo chico | Order Passeriformes | Emberizidae (41) Emberizids |
| havía kapi'i kua | Asthenes pyrrholeuca; Spartanoica maluroides | Sharp-billed Canastero; Bay-capped Wren-Spinetail | Canastero coludo; Espartillero enano | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| havía kapi'i kua chaco | Asthenes baeri | Short-billed Canastero | Canastero chaqueño | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| havía korochire | Turdus amaurochalinus | Creamy-bellied Thrush | Zorzal mandioca | Order Passeriformes | Turdidae (7) Thrushes |
| havía morotĩ | Turdus leucomelas | Pale-breasted Thrush | Zorzal alas canelas | Order Passeriformes | Turdidae (7) Thrushes |
| havía ñakyrã | Turdus subalaris | Eastern Slaty-thrush | Zorzal plomizo | Order Passeriformes | Turdidae (7) Thrushes |
| havía pytã | Turdus rufiventris | Rufous-bellied Thrush | Zorzal colorado | Order Passeriformes | Turdidae (7) Thrushes |
| havía tyvyta | Saltator coerulescens; Saltator aurantiirostris | Greyish Saltator; Golden-billed Saltator | Pepitero gris; Pepitero de collar | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| havía tyvyta hovajuva | Saltator atricollis | Black-throated Saltator | Pepitero de corbata | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| havía tyvyta hovy | Saltator similis | Green-winged Saltator | Pepitero verdoso | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| hoko guasu | Ardea cocoi | Cocoi Heron | Garza mora | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko mini | Ixobrychus involucris | Stripe-backed Bittern | Mirasol | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko para | Botaurus pinnatus | Pinnated Bittern | Mirasol grande | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko pytã | Tigrisoma lineatum | Rufescent Tiger-Heron | Hocó colorado | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko sa'yju | Pilherodius pileatus | Capped Heron | Garza real | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko'i | Butorides striata | Striated Heron | Garcita azulada | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko'i hovy | Egretta caerulea | Little Blue Heron | Garza azul | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko'i pytã | Ixobrychus exilis | Least Bittern | Mirasol chico | Order Ciconiiformes | Ardeidae (14) Herons |
| hoko'i vaka | Bubulcus ibis | Cattle Egret | Garcita bueyera | Order Ciconiiformes | Ardeidae (14) Herons |
| hu'i ruhutĩ | Spizaetus tyrannus | Black Hawk-Eagle | Águila crestuda negra | Order Falconiformes | Accipitridae (35) Birds of Prey |
| itaipyte | Egretta thula | Snowy Egret | Garcita blanca | Order Ciconiiformes | Ardeidae (14) Herons |
| jabiru | Jabiru mycteria | Jabiru | Yabirú | Order Ciconiiformes | Ciconiidae (3) Storks |
| jakami apetĩ | Fulica leucoptera | White-winged Coot | Gallareta chica | Order Gruiformes | Rallidae (23) Rails |
| jakarimi | Volatinia jacarina | Blue-black Grassquit | Volatinero | Order Passeriformes | Emberizidae (41) Emberizids |
| jakavere | Gallinago paraguaiae | South American Snipe | Becasina | Order Charadriiformes | Scolopacidae (22) Waders |
| jakavere guasu | Gallinago undulata | Giant Snipe | Becasina gigante | Order Charadriiformes | Scolopacidae (22) Waders |
| jaku hũ | Penelope obscura | Dusky-legged Guan | Pava de monte oscura | Order Galliformes | Cracidae (6) Guans |
| jaku karaguata | Ortalis canicollis | Chaco Chachalaca | Charata | Order Galliformes | Cracidae (6) Guans |
| jaku petĩ | Pipile cumanensis | Blue-throated Piping-Guan | Pava campanilla | Order Galliformes | Cracidae (6) Guans |
| jaku po'i | Penelope superciliaris | Rusty-margined Guan | Pava de monte chica | Order Galliformes | Cracidae (6) Guans |
| jaku toro | Pyroderus scutatus | Red-ruffed Fruitcrow | Yacutoro | Order Passeriformes | Cotingidae (3) Cotingas |
| jakutinga | Pipile jacutinga | Black-fronted Piping-Guan | Yacutinga | Order Galliformes | Cracidae (6) Guans |
| japu guasu | Psarocolius decumanus | Crested Oropendola | Yapú | Order Passeriformes | Icteridae (20) New World Blackbirds |
| jasy jatere | Dromococcyx pavoninus | Pavonine Cuckoo | Yasiyateré chico | Order Cuculiformes | Cuculidae (13) Cuckoos |
| jasy jatere guasu | Dromococcyx phasianellus | Pheasant Cuckoo | Yasiyateré grande | Order Cuculiformes | Cuculidae (13) Cuckoos |
| javatĩ | Chloroceryle amazona | Amazon Kingfisher | Martín pescador mediano | Order Coraciiformes | Alcedinidae (5) Kingfishers |
| javatĩ guasu | Megaceryle torquata | Ringed Kingfisher | Martín pescador grande | Order Coraciiformes | Alcedinidae (5) Kingfishers |
| javatĩ michiete | Chloroceryle aenea | American Pygmy Kingfisher | Martín pescador enano | Order Coraciiformes | Alcedinidae (5) Kingfishers |
| javatĩ miri | Chloroceryle inda | Green-and-rufous Kingfisher | Martín pescador rojizo | Order Coraciiformes | Alcedinidae (5) Kingfishers |
| javatĩ'i | Chloroceryle americana | Green Kingfisher | Martín pescador chico | Order Coraciiformes | Alcedinidae (5) Kingfishers |
| jeruti | Leptotila verreauxi | White-tipped Dove | Yerutí | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| jeruti hovy | Claravis pretiosa | Blue Ground-Dove | Palomita azulada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| jeruti pirãngã | Geotrygon violacea | Violaceous Quail-Dove | Paloma montera violácea | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| jeruti pytã | Geotrygon montana | Ruddy Quail-Dove | Paloma montera castaña | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| jeruti pytã'i | Leptotila rufaxilla | Grey-fronted Dove | Yerutí colorada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| jetapa'i | Alectrurus tricolor; Alectrurus risora | Cock-tailed Tyrant; Strange-tailed Tyrant | Yetapá chico; Yetapá de collar | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| jety | Xiphocolaptes albicollis | White-throated Woodcreeper | Trepador garganta blanca | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| jiperu | Gubernetes yetapa | Streamer-tailed Tyrant | Yetapá grande | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| jivere hũ | Colonia colonus | Long-tailed Tyrant | Yetapá negro | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| jiveru | Xolmis velatus | White-rumped Monjita | Monjita rabadilla blanca | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| juru akua | Oxyruncus cristatus | Sharpbill | Picoagudo | Order Passeriformes | Oxyruncidae (1) Sharpbill |
| jurupe | Platyrinchus leucoryphus | Russet-winged Spadebill | Picochato chico | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| jurupe'i | Platyrinchus mystaceus | White-throated Spadebill | Picochato enano | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| ka'a'i guyra | Philydor atricapillum; Hylocryptus rectirostris | Black-capped Foliage-gleaner; Henna-capped Foliage-gleaner | Ticotico cabeza negra; Barranquero pico recto | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| ka'a'i guyra akãhũ | Syndactyla dimidiata | Planalto Foliage-gleaner | Ticotico rojo | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| ka'a'i guyra pytã | Philydor lichtensteini; Philydor rufum | Ochre-breasted Foliage-gleaner; Buff-fronted Foliage-gleaner | Ticotico ocráceo chico; Ticotico ocráceo grande | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| kachimbo | Phleocryptes melanops | Wren-like Rushbird | Junquero | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| kai kai | Cyanocompsa brissonii | Ultramarine Grosbeak | Reinamora grande | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| kaninde | Ara ararauna | Blue-and-yellow Macaw | Papagayo amarillo | Order Psittaciformes | Psittacidae (24) Parrots |
| kara kara | Caracara plancus | Southern Crested-Caracara | Carancho | Order Falconiformes | Falconidae (12) Falcons |
| kara kara'i | Milvago chimango | Chimango Caracara | Chimango | Order Falconiformes | Falconidae (12) Falcons |
| karãu | Aramus guarauna | Limpkin | Carau | Order Gruiformes | Aramidae (1) Limpkin |
| karãu'i | Plegadis chihi | White-faced Ibis | Cuervillo de cañada | Order Ciconiiformes | Threskiornithidae (6) Ibises |
| karãu'i rova pytã | Phimosus infuscatus | Bare-faced Ibis | Cuervillo cara pelada | Order Ciconiiformes | Threskiornithidae (6) Ibises |
| karichu | Capsiempis flaveola; Pogonotriccus eximius; Phylloscartes ventralis; Phylloscartes paulista; Phylloscartes sylviolus | Yellow Tyrannulet; Southern Bristle-Tyrant; Mottle-cheeked Tyrannulet; Sao Paulo Tyrannulet; Bay-ringed Tyrannulet | Mosqueta ceja amarilla; Mosqueta media luna; Mosquetita; Mosqueta oreja negra; Mosquetita cara canela | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| karichu paje | Leptopogon amaurocephalus | Sepia-capped Flycatcher | Cabezudo | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| kasygua | Trichothraupis melanops | Black-goggled Tanager | Frutero corona amarilla | Order Passeriformes | Thraupidae (26) Tanagers |
| katatáu | Campylorhynchus turdinus; Sporophila falcirostris | Thrush-like Wren; Temminck's Seedeater | Ratona grande; Corbatita picudo | Order Passeriformes | Troglodytidae (5) Wrens; Emberizidae (41) Emberizids |
| kãu kãu | Nomonyx dominicus | Masked Duck | Pato enmascarado | Order Anseriformes | Anatidae (21) Ducks |
| kavure | Megascops choliba; Megascops atricapillus | Tropical Screech-Owl; Black-capped Screech-Owl | Lechucita | Order Strigiformes | Strigidae (15) Owls |
| kavure guasu | Strix virgata | Mottled Owl | Lechuza estriada | Order Strigiformes | Strigidae (15) Owls |
| kavure'i | Glaucidium brasilianum | Ferruginous Pygmy-Owl | Caburé | Order Strigiformes | Strigidae (15) Owls |
| kavure'i pytã | Aegolius harrisii | Buff-fronted Owl | Lechucita canela | Order Strigiformes | Strigidae (15) Owls |
| kereveve | Nyctiphrynus ocellatus | Ocellated Poorwill | Atajacaminos ocelado | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| kiete | Syndactyla rufosuperciliata | Buff-browed Foliage-gleaner | Titiri | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| kiri kiri | Milvago chimachima | Yellow-headed Caracara | Chimachima | Order Falconiformes | Falconidae (12) Falcons |
| kiri kiri guasu | Falco femoralis; Falco deiroleucus | Aplomado Falcon; Orange-breasted Falcon | Halcón plomizo; Halcón negro grande | Order Falconiformes | Falconidae (12) Falcons |
| kiri kiri'i | Falco sparverius | American Kestrel | Halconcito | Order Falconiformes | Falconidae (12) Falcons |
| kuarahy áva | Hylocharis chrysura | Gilded Sapphire | Picaflor bronceado | Order Apodiformes | Trochilidae (20) Hummingbirds |
| kuarahy mimby | Syrigma sibilatrix | Whistling Heron | Garza silbadora | Order Ciconiiformes | Ardeidae (14) Herons |
| kuchu'i guy guy | Caprimulgus parvulus | Little Nightjar | Atajacaminos chico | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| kumbi kumbi | Contopus cinereus | Tropical Pewee | Burlisto chico | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| kuriango | Antrostomus sericocaudatus | Silky-tailed Nightjar | Atajacaminos ahumado | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| kurio | Oryzoborus angolensis | Lesser Seed-Finch | Arrocero castaño | Order Passeriformes | Emberizidae (41) Emberizids |
| kuruirusu | Cantorchilus guarayanus | Fawn-breasted Wren | Ratona pecho ocre | Order Passeriformes | Troglodytidae (5) Wrens |
| kurukáu hovy | Theristicus caerulescens | Plumbeous Ibis | Bandurria mora | Order Ciconiiformes | Threskiornithidae (6) Ibises |
| kurukáu para | Theristicus caudatus | Buff-necked Ibis | Bandurria | Order Ciconiiformes | Threskiornithidae (6) Ibises |
| kurukuturi | Geranoaetus albicaudatus | White-tailed Hawk | Aguilucho alas largas | Order Falconiformes | Accipitridae (35) Birds of Prey |
| kururuvi | Synallaxis spixi | Spix's Spinetail | Pijuí plomizo | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| kurutie | Cranioleuca vulpina; Cranioleuca pyrrhophia; Certhiaxis cinnamomeus | Rusty-backed Spinetail; Stripe-crowned Spinetail; Yellow-chinned Spinetail | Curutié de río; Curutié blanco; Curutié colorado | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| kurutie hovy | Cranioleuca obsoleta | Olive Spinetail | Curutié oliváceo | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| kurutu'i | Melanerpes flavifrons | Yellow-fronted Woodpecker | Carpintero arco iris | Order Piciformes | Picidae (21) Woodpeckers |
| kuruvi guasu | Cantorchilus leucotis | Buff-breasted Wren | Ratona vientre rojo | Order Passeriformes | Troglodytidae (5) Wrens |
| luirivevu | Nyctidromus albicollis | Pauraque | Curiango | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| mainumby | Colibri serrirostris; Anthracothorax nigricollis; Chrysolampis mosquitus; Thalurania furcata; Thalurania glaucopis; Hylocharis sapphirina; Polytmus guainumbi; Amazilia versicolor; Heliomaster longirostris | White-vented Violetear; Black-throated Mango; Ruby-Topaz Hummingbird; Fork-tailed Woodnymph; Violet-capped Woodnymph; Rufous-throated Sapphire; White-tailed Goldenthroat; Versicoloured Emerald; Long-billed Starthroat | Colibrí mediano; Picaflor vientre negro; Colibrí rubí; Picaflor zafiro; Picaflor corona violácea; Picaflor cola castaña; Picaflor de antifaz; Picaflor esmeralda; Picaflor picudo | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby apiratĩ | Stephanoxis lalandi | Plovercrest | Picaflor copetón | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby guasu | Galbula ruficauda | Rufous-tailed Jacamar | Yacamará | Order Galbuliformes | Galbulidae (1) Jacamars |
| mainumby hovyũ | Chlorostilbon lucidus | Glittering-bellied Emerald | Picaflor verde | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby hũ | Melanotrochilus fuscus | Black Jacobin | Picaflor negro | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby jetapa | Eupetomena macroura; Heliomaster furcifer | Swallow-tailed Hummingbird; Blue-tufted Starthroat | Picaflor tijereta; Picaflor de barbijo | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby michiete | Calliphlox amethystina | Amethyst Woodstar | Picaflor amatista | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby pyti'a morotĩ | Leucochloris albicollis | White-throated Hummingbird | Picaflor garganta blanca | Order Apodiformes | Trochilidae (20) Hummingbirds |
| mainumby ruguaitĩ | Phaethornis eurynome; Phaethornis pretrei; Phaethornis subochraceus | Scale-throated Hermit; Planalto Hermit; Buff-breasted Hermit | Ermitaño escamado; Ermitaño canela; Ermitaño ocráceo | Order Apodiformes | Trochilidae (20) Hummingbirds |
| maitaka | Pionus maximiliani | Scaly-headed Parrot | Loro choclero | Order Psittaciformes | Psittacidae (24) Parrots |
| makagua | Herpetotheres cachinnans | Laughing Falcon | Guaicurú | Order Falconiformes | Falconidae (12) Falcons |
| manimbe | Ammodramus humeralis | Grassland Sparrow | Chingolo ceja amarilla | Order Passeriformes | Emberizidae (41) Emberizids |
| marakana | Primolius maracana; Aratinga auricapilla | Blue-winged Macaw; Golden-capped Parakeet | Maracaná afeitado; Maracaná corona dorada | Order Psittaciformes | Psittacidae (24) Parrots |
| marakana ajura sa'yju | Primolius auricollis | Golden-collared Macaw | Maracaná cuello dorado | Order Psittaciformes | Psittacidae (24) Parrots |
| marakana yvyguy | Baryphthengus ruficapillus | Rufous-capped Motmot | Yeruvá | Order Coraciiformes | Momotidae (2) Motmots |
| masakaraguai estero | Cistothorus platensis | Sedge Wren | Ratona aperdizada | Order Passeriformes | Troglodytidae (5) Wrens |
| mbaguari | Ciconia maguari | Maguari Stork | Cigüeña | Order Ciconiiformes | Ciconiidae (3) Storks |
| mbairari | Zenaida auriculata | Eared Dove | Torcaza | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| mbariki'i | Basileuterus culicivorus | Golden-crowned Warbler | Arañero coronado | Order Passeriformes | Parulidae (6) Wood Warblers |
| mbatara | Thamnophilus sticturus; Thamnophilus torquatus; Formicivora melanogaster | Bolivian Slaty-antshrike; Rufous-winged Antshrike; Black-bellied Antwren | Batará pardo; Batará ala roja; Batará vientre negro | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatara chioro | Pyriglena leucoptera | White-shouldered Fire-eye | Batará negro | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatara guasu | Batara cinerea | Giant Antshrike | Batará gigante | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatara hũ | Cercomacra melanaria; Pyriglena leuconota | Mato Grosso Antbird; White-backed Fire-eye | Batará | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatara para | Hypoedaleus guttatus | Spot-backed Antshrike | Batará goteado | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatara pytã | Thamnophilus ruficapillus | Rufous-capped Antshrike | Batará corona rojiza | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatara'i | Terenura maculata | Streak-capped Antwren | Tiluchí enano | Order Passeriformes | Thamnophilidae (22) Antbirds |
| mbatui | Charadrius collaris; Nycticryphes semicollaris | Collared Plover; South American Painted-snipe | Chorlito de collar; Aguatero | Order Charadriiformes | Charadriidae (7) Plovers; Rostratulidae (1) Painted-snipe |
| mbatui guasu | Tringa melanoleuca | Greater Yellowlegs | Pitotoi grande | Order Charadriiformes | Scolopacidae (22) Waders |
| mbatui mbatara | Actitis macularia | Spotted Sandpiper | Playerito manchado | Order Charadriiformes | Scolopacidae (22) Waders |
| mbatui ño | Tringa solitaria | Solitary Sandpiper | Pitotoi solitario | Order Charadriiformes | Scolopacidae (22) Waders |
| mbatui ñu | Hoploxypterus cayanus; Bartramia longicauda | Pied Plover; Upland Sandpiper | Chorlo de espolón; Batitú | Order Charadriiformes | Charadriidae (7) Plovers; Scolopacidae (22) Waders |
| mbatuirusu | Pluvialis squatarola; Pluvialis dominica; Charadrius semipalmatus; Charadrius modestus | Grey Plover; American Golden Plover; Semipalmated Plover; Rufous-chested Dotterel | Chorlo ártico; Chorlo dorado; Chorlito palmado; Chorlito pecho colorado | Order Charadriiformes | Charadriidae (7) Plovers |
| mbatuitui | Tringa flavipes | Lesser Yellowlegs | Pitotoi chico | Order Charadriiformes | Scolopacidae (22) Waders |
| mbembéi | Forpus xanthopterygius | Blue-winged Parrotlet | Viudita | Order Psittaciformes | Psittacidae (24) Parrots |
| mbigua | Phalacrocorax brasilianus | Neotropic Cormorant | Cormoran | Order Pelecaniformes | Phalacrocoracidae (1) Cormorants |
| mbigua mbói | Anhinga anhinga | Anhinga | Aninga | Order Pelecaniformes | Anhingidae (1) Anhinga |
| mborevi pochigua | Sclerurus scansor | Rufous-breasted Leaftosser | Raspahojas | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| mborevi ro'a | Tachyphonus coronatus | Ruby-crowned Tanager | Frutero coronado | Order Passeriformes | Thraupidae (26) Tanagers |
| mboropi | Basileuterus leucoblepharus | White-browed Warbler | Arañero silbón | Order Passeriformes | Parulidae (6) Wood Warblers |
| mboropi ju'i | Basileuterus flaveolus | Flavescent Warbler | Arañero amarillo | Order Passeriformes | Parulidae (6) Wood Warblers |
| mburika mondoa | Rhinocrypta lanceolata | Crested Gallito | Gallito copetón | Order Passeriformes | Rhinocryptidae (1) Tapaculos |
| mbyju'i | Chaetura cinereiventris; Tachycineta leucorrhoa; Tachycineta meyeni; Progne elegans; Atticora melanoleuca; Alopochelidon fucata; Stelgidopteryx ruficollis; Riparia riparia; Petrochelidon pyrrhonota | Grey-rumped Swift; White-rumped Swallow; Chilean Swallow; Southern Martin; Black-collared Swallow; Tawny-headed Swallow; Southern Rough-winged Swallow; Sand Martin; American Cliff Swallow | Vencejo chico; Golondrina ceja blanca; Golondrina patagónica; Golondrina negra; Golondrina de collar; Golondrina cabeza rojiza; Golondrina ribereña; Golondrina zapadora; Golondrina rabadilla canela | Order Apodiformes; Order Passeriformes | Apodidae (6) Swifts; Hirundinidae (14) Swallows and Martins |
| mbyju'i hũ | Cypseloides fumigatus; Progne subis | Sooty Swift; Purple Martin | Vencejo negruzco; Golondrina purpúrea | Order Apodiformes; Order Passeriformes | Apodidae (6) Swifts; Hirundinidae (14) Swallows and Martins |
| mbyju'i ita | Cypseloides senex | Great Dusky Swift | Vencejo de cascada | Order Apodiformes | Apodidae (6) Swifts |
| mbyju'i jetapa | Hirundo rustica | Barn Swallow | Golondrina tijerita | Order Passeriformes | Hirundinidae (14) Swallows and Martins |
| mbyju'i mbopi | Chaetura meridionalis | Sick's Swift | Vencejo de tormenta | Order Apodiformes | Apodidae (6) Swifts |
| mbyju'i mbopi guasu | Streptoprocne zonaris | White-collared Swift | Vencejo collar blanco | Order Apodiformes | Apodidae (6) Swifts |
| mbyju'i michi | Pygochelidon cyanoleuca | Blue-and-white Swallow | Golondrina barranquera | Order Passeriformes | Hirundinidae (14) Swallows and Martins |
| mbyju'i ogaregua | Progne chalybea | Grey-breasted Martin | Golondrina doméstica | Order Passeriformes | Hirundinidae (14) Swallows and Martins |
| membei | Fluvicola albiventer | Black-backed Water-Tyrant | Viudita blanca | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| mokói tyapíriru | Corythopis delalandi | Southern Antpipit | Mosquitero | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| muaka | Fulica armillata | Red-gartered Coot | Gallareta ligas rojas | Order Gruiformes | Rallidae (23) Rails |
| myaka | Podiceps occipitalis | Silvery Grebe | Macá plateado | Order Podicipediformes | Podicipedidae (5) Grebes |
| mytũ | Crax fasciolata | Bare-faced Curassow | Pava pintada | Order Galliformes | Cracidae (6) Guans |
| ñahana | Gallinula melanops; Gallinula galeata | Spot-flanked Gallinule; Common Gallinule | Polla pintada; Polla negra | Order Gruiformes | Rallidae (23) Rails |
| ñahana hovy | Porphyrio martinica | American Purple Gallinule | Polla azul | Order Gruiformes | Rallidae (23) Rails |
| ñahana hũ | Pardirallus sanguinolentus | Plumbeous Rail | Gallineta | Order Gruiformes | Rallidae (23) Rails |
| ñahana mbatara | Pardirallus maculatus | Spotted Rail | Gallineta overa | Order Gruiformes | Rallidae (23) Rails |
| ñahana sana | Pardirallus nigricans | Blackish Rail | Gallineta negruzca | Order Gruiformes | Rallidae (23) Rails |
| ñahana sa'yju | Porphyrio flavirostris | Azure Gallinule | Polla celeste | Order Gruiformes | Rallidae (23) Rails |
| ñahana'i | Coturnicops notatus; Micropygia schomburgkii; Anurolimnas viridis; Laterallus melanophaius; Laterallus xenopterus; Laterallus exilis | Speckled Crake; Ocellated Crake; Russet-crowned Crake; Rufous-sided Crake; Rufous-faced Crake; Grey-breasted Crake | Burrito enano; Burrito ocelado; Burrito castaño; Burrito silbón; Burrito guarani; Burrito pecho gris | Order Gruiformes | Rallidae (23) Rails |
| ñahana'i pytã | Laterallus leucopyrrhus | Red-and-white Crake | Burrito colorado | Order Gruiformes | Rallidae (23) Rails |
| ñahanatĩ | Poliolimnas flaviventer | Yellow-breasted Crake | Burrito amarillo | Order Gruiformes | Rallidae (23) Rails |
| ñakunda | Chordeiles nacunda | Nacunda Nighthawk | Ñacundá | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| ñakurutũ guasu | Bubo virginianus | Great Horned-Owl | Búho | Order Strigiformes | Strigidae (15) Owls |
| ñakurutũ hũ | Asio stygius | Stygian Owl | Lechuzón negruzco | Order Strigiformes | Strigidae (15) Owls |
| ñakurutũ'i | Asio clamator | Striped Owl | Lechuzón orejudo | Order Strigiformes | Strigidae (15) Owls |
| ñakyra'i | Hemitriccus margaritaceiventer; Poecilotriccus latirostris | Pearly-vented Tody-Tyrant; Rusty-fronted Tody-Flycatcher | Mosqueta ojo dorado; Mosqueta frente rojiza | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| ñanday | Nandayus nenday | Nanday Parakeet | Nanday | Order Psittaciformes | Psittacidae (24) Parrots |
| ñandesy | Euphonia chlorotica | Purple-throated Euphonia | Tangará | Order Passeriformes | Fringillidae (7) Finches |
| ñandu guasu | Rhea americana | Greater Rhea | Ñandu | Order Struthioniformes | Rheidae (1) Rheas |
| ñendai | Aratinga acuticaudata | Blue-crowned Parakeet | Maracaná cabeza azulada | Order Psittaciformes | Psittacidae (24) Parrots |
| ogaraity | Furnarius leucopus; Furnarius rufus | Pale-legged Hornero; Rufous Hornero | Albañil; Hornero | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| ogaraity chaco | Furnarius cristatus | Crested Hornero | Hornero copetón | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| ojaja | Chroicocephalus cirrocephalus; Chroicocephalus maculipennis; Larus pipixcan; Leucophaeus atricilla | Grey-headed Gull; Brown-hooded Gull; Franklin's Gull; Laughing Gull | Gaviota capucho gris; Gaviota capucho café; Gaviota chica; Gaviota reidora | Order Charadriiformes | Laridae (11) Gulls and Terns |
| pa'ã guasu | Rynchops niger | Black Skimmer | Rayador | Order Charadriiformes | Rynchopidae (1) Skimmers |
| papapiri | Tachuris rubrigastra | Many-coloured Rush-Tyrant | Tachurí sietecolores | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| parakáu | Amazona aestiva; Amazona amazonica | Turquoise-fronted Amazon; Orange-winged Amazon | Loro hablador; Loro alinaranja | Order Psittaciformes | Psittacidae (24) Parrots |
| parakáu keréu | Amazona vinacea | Vinaceous-breasted Amazon | Loro vinoso | Order Psittaciformes | Psittacidae (24) Parrots |
| pararu | Claravis godefrida | Purple-winged Ground-Dove | Palomita morada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| paturi | Oxyura vittata | Argentine Ruddy-Duck | Pato zambullidor | Order Anseriformes | Anatidae (21) Ducks |
| pepoasa | Xolmis cinereus; Xolmis coronatus | Grey Monjita; Black-crowned Monjita | Monjita gris; Monjita coronada | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| pichochõ | Sporophila frontalis; Haplospiza unicolor | Buff-fronted Seedeater; Uniform Finch | Corbatita oliváceo; Afrechero plomizo | Order Passeriformes | Emberizidae (41) Emberizids |
| pioro | Pyrrhocoma ruficeps | Chestnut-headed Tanager | Frutero cabeza castaña | Order Passeriformes | Thraupidae (26) Tanagers |
| piririgua | Guira guira | Guira Cuckoo | Piririta | Order Cuculiformes | Cuculidae (13) Cuckoos |
| piririguitĩ | Tersina viridis | Swallow Tanager | Tersina | Order Passeriformes | Thraupidae (26) Tanagers |
| pitangua guasu | Megarynchus pitangua | Boat-billed Flycatcher | Ñei ñei | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| pitogue | Pitangus sulphuratus | Great Kiskadee | Pitogüé | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| pitogue'i | Myiozetetes cayanensis; Myiozetetes similis; Conopias trivirgata | Rusty-margined Flycatcher; Social Flycatcher; Three-striped Flycatcher | Pitogüé mediano alas rufas; Pitogüé mediano; Pitogüé chico | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| piu piu | Myrmorchilus strigilatus | Stripe-backed Antbird | Batará estriado | Order Passeriformes | Thamnophilidae (22) Antbirds |
| pykasu mbatara | Patagioenas speciosa | Scaled Pigeon | Paloma trocal | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pykasu óga | Columba livia | Feral Pigeon | Paloma casera | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pykasu pytã | Patagioenas cayennensis | Pale-vented Pigeon | Paloma colorada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pykasuro | Patagioenas picazuro | Picazuro Pigeon | Paloma turca | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pyku'i | Columbina picui | Picui Ground-Dove | Tortolita | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pyku'i pe'i | Columbina minuta | Plain-breasted Ground-Dove | Tortolita enana | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pyku'i pini | Scardafella squammata | Scaled Dove | Palomita escamada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pyku'i pytã | Columbina talpacoti | Ruddy Ground-Dove | Tortolita colorada | Order Columbiformes | Columbidae (16) Pigeons and Doves |
| pykumbe | Dendrocolaptes picumnus | Black-banded Woodcreeper | Trepador colorado | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| pykumbe'i | Dendrocolaptes platyrostris | Planalto Woodcreeper | Trepador oscuro | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| pyti'ajumi | Parula pitiayumi | Tropical Parula | Pitiayumí | Order Passeriformes | Parulidae (6) Wood Warblers |
| ratona | Troglodytes aedon | House Wren | Ratona | Order Passeriformes | Troglodytidae (5) Wrens |
| sai | Conirostrum speciosum; Tangara cayana | Chestnut-vented Conebill; Burnished-buff Tanager | Mielerito azul; Tangará pecho negro | Order Passeriformes | Thraupidae (26) Tanagers |
| sai guasu | Pipraeidea melanonota | Fawn-breasted Tanager | Tangará de antifaz | Order Passeriformes | Thraupidae (26) Tanagers |
| sai hovy | Tangara seledon; Dacnis cayana; Thraupis sayaca; Thraupis palmarum | Green-headed Tanager; Blue Dacnis; Sayaca Tanager; Palm Tanager | Tangará arcoiris; Saí azul; Celestino; Azulejo de palmares | Order Passeriformes | Thraupidae (26) Tanagers |
| sai hũ | Tachyphonus rufus | White-lined Tanager | Frutero negro | Order Passeriformes | Thraupidae (26) Tanagers |
| sai rusu | Stephanophorus diadematus | Diademed Tanager | Frutero imperial | Order Passeriformes | Thraupidae (26) Tanagers |
| sairã | Tangara preciosa | Chestnut-backed Tanager | Tangará castaño | Order Passeriformes | Thraupidae (26) Tanagers |
| sarã | Anas discors | Blue-winged Teal | Pato media luna | Order Anseriformes | Anatidae (21) Ducks |
| saraki hovy | Chiroxiphia caudata | Swallow-tailed Manakin | Bailarín azul | Order Passeriformes | Pipridae (4) Manakins |
| sarakura | Aramides saracura | Slaty-breasted Wood-Rail | Saracura | Order Gruiformes | Rallidae (23) Rails |
| sarĩa hũ | Chunga burmeisteri | Black-legged Seriema | Saria patas negras | Order Gruiformes | Cariamidae (2) Seriemas |
| sarĩa pytã | Cariama cristata | Red-legged Seriema | Saria patas rojas | Order Gruiformes | Cariamidae (2) Seriemas |
| sasaki | Arremon flavirostris | Saffron-billed Sparrow | Afrechero de collar | Order Passeriformes | Emberizidae (41) Emberizids |
| seboi guasu | Hymenops perspicillatus | Spectacled Tyrant | Pico de plata | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| sipiruru mi | Serpophaga munda | White-bellied Tyrannulet | Piojito vientre blanco | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| sipiruru pyti'a ju | Inezia inornata | Plain Tyrannulet | Piojito picudo | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| sĩritui | Polioptila dumicola | Masked Gnatcatcher | Tacuarita azul | Order Passeriformes | Polioptilidae (2) Gnatcatchers |
| sorototo | Pseudoseisura unirufa; Pseudoseisura lophotes | Grey-crested Cacholote; Brown Cacholote | Caserote colorado; Caserote castaño | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| sui sui | Ictinia plumbea | Plumbeous Kite | Milano plomizo | Order Falconiformes | Accipitridae (35) Birds of Prey |
| suinda | Tyto alba | Barn Owl | Lechuza de campanario | Order Strigiformes | Tytonidae (1) Barn Owls |
| suinda chaco | Strix chacoensis | Chaco Owl | Lechuza chaqueña | Order Strigiformes | Strigidae (15) Owls |
| suinda hũ | Strix huhula | Black-banded Owl | Lechuza negra | Order Strigiformes | Strigidae (15) Owls |
| suinda ka'aguy | Strix hylophila | Rusty-barred Owl | Lechuza listada | Order Strigiformes | Strigidae (15) Owls |
| suinda ñu | Asio flammeus | Short-eared Owl | Lechuzón campestre | Order Strigiformes | Strigidae (15) Owls |
| suiriri | Sublegatus modestus; Suiriri suiriri | Southern Scrub-flycatcher; Suiriri Flycatcher | Suirirí pico corto; Suirirí | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| suiriri guasu | Tyrannus melancholicus | Tropical Kingbird | Juan Caballero | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| suiriri hũ | Empidonomus aurantioatrocristatus | Crowned Slaty-Flycatcher | Tuquito gris | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| suiriri sa'yju | Satrapa icterophrys | Yellow-browed Tyrant | Suirirí amarillo | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| suiriritĩ | Empidonomus varius | Variegated Flycatcher | Tuquito chorreado | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| suruku'a | Trogon surrucura | Surucua Trogon | Surucuá | Order Trogoniformes | Trogonidae (3) Trogons |
| suruku'a sa'yju | Trogon rufus | Black-throated Trogon | Surucuá amarillo | Order Trogoniformes | Trogonidae (3) Trogons |
| suruku'a tata | Trogon curucui | Blue-crowned Trogon | Surucuá aurora | Order Trogoniformes | Trogonidae (3) Trogons |
| syi syi | Ictinia mississippiensis | Mississippi Kite | Milano boreal | Order Falconiformes | Accipitridae (35) Birds of Prey |
| syryko | Aramides cajanea | Grey-necked Wood-Rail | Chiricoe | Order Gruiformes | Rallidae (23) Rails |
| tachuri | Phyllomyias fasciatus; Phyllomyias burmeisteri; Phyllomyias virescens; Phyllomyias reiseri; Camptostoma obsoletum; Phaeomyias murina; Polystictus pectoralis; Mionectes rufiventris | Planalto Tyrannulet; Rough-legged Tyrannulet; Greenish Tyrannulet; Reiser's Tyrannulet; Southern Beardless-Tyrannulet; Mouse-coloured Tyrannulet; Bearded Tachuri; Grey-hooded Flycatcher | Mosqueta olivácea; Mosqueta pico curvo; Mosqueta corona oliva; Mosqueta de Reiser; Piojito silbón; Piojito pardo; Tachurí canela; Ladrillito | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| taguato | Chondrohierax uncinatus; Parabuteo unicinctus; Buteo brachyurus; Buteo swainsoni; Spizaetus melanoleucus | Hook-billed Kite; Harris Hawk; Short-tailed Hawk; Swainson's Hawk; Black-and-white Hawk-Eagle | Milano pico garfio; Gavilán mixto; Aguilucho cola corta; Aguilucho langostero; Águila viuda | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato akãtĩ | Busarellus nigricollis | Black-collared Hawk | Gavilán de estero | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato apiratĩ | Spizaetus ornatus | Ornate Hawk-Eagle | Águila crestuda real | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato hovy | Geranospiza caerulescens; Geranoaetus melanoleucus; Buteo nitidus | Crane Hawk; Black-chested Buzzard-Eagle; Grey Hawk | Gavilán patas largas; Águila mora; Aguilucho gris | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato hovy apiratĩ | Buteogallus coronatus | Crowned Eagle | Águila coronada | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato hũ | Parabuteo leucorrhous; Buteo albonotatus | White-rumped Hawk; Zone-tailed Hawk | Taguató negro; Aguilucho negro | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato jatyta | Rostrhamus sociabilis | Snail Kite | Caracolero | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato jetapa | Elanoides forficatus | American Swallow-tailed Kite | Milano tijereta | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato mbyju'i | Falco rufigularis | Bat Falcon | Halcón negro chico | Order Falconiformes | Falconidae (12) Falcons |
| taguato morotĩ | Leptodon cayanensis; Elanus leucurus; Pseudastur polionotus | Grey-headed Kite; White-tailed Kite; Mantled Hawk | Milano cabeza gris; Milano blanco; Aguilucho blanco | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato pytã | Buteogallus meridionalis | Savanna Hawk | Aguilucho colorado | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato ro'y | Falco peregrinus | Peregrine Falcon | Halcón peregrino | Order Falconiformes | Falconidae (12) Falcons |
| taguato ruvicha | Harpia harpyja | Harpy Eagle | Águila harpía | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato rye morotĩ | Pandion haliaetus | Osprey | Águila pescadora | Order Falconiformes | Pandionidae (1) Osprey |
| taguato vevyi | Circus cinereus; Circus buffoni | Cinereous Harrier; Long-winged Harrier | Gavilán ceniciento; Gavilán planeador | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato'i | Gampsonyx swainsonii; Accipiter poliogaster; Spiziapteryx circumcincta | Pearl Kite; Grey-bellied Goshawk; Spot-winged Falconet | Milano chico; Azor grande; Halconcito gris | Order Falconiformes | Accipitridae (35) Birds of Prey; Falconidae (12) Falcons |
| taguato'i hovy | Harpagus diodon; Accipiter bicolor | Rufous-thighed Kite; Bicoloured Hawk | Milano de corbata; Azor variado | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taguato'i ka'aguy | Accipiter superciliosus; Accipiter erythronemius | Tiny Hawk; Rufous-thighed Hawk | Azor chico; Azor rojizo | Order Falconiformes | Accipitridae (35) Birds of Prey |
| taĩ'i | Myiornis auricularis | Eared Pygmy-Tyrant | Mosqueta enana | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| tajasu guyra | Nycticorax nycticorax | Black-crowned Night-heron | Garza bruja | Order Ciconiiformes | Ardeidae (14) Herons |
| takuari | Drymophila malura | Dusky-tailed Antbird | Tiluchí estriado | Order Passeriformes | Thamnophilidae (22) Antbirds |
| takuari pytã | Drymophila rubricollis | Bertoni's Antbird | Tiluchí colorado | Order Passeriformes | Thamnophilidae (22) Antbirds |
| tangara ñu | Neothraupis fasciata | Shrike-like Tanager | Tangará banda blanca | Order Passeriformes | Thraupidae (26) Tanagers |
| tangara pytã | Pipra fasciicauda | Band-tailed Manakin | Bailarín naranja | Order Passeriformes | Pipridae (4) Manakins |
| tangaratĩ | Manacus manacus | White-bearded Manakin | Bailarín blanco | Order Passeriformes | Pipridae (4) Manakins |
| tapendy | Tachycineta albiventer | White-winged Swallow | Golondrina ala blanca | Order Passeriformes | Hirundinidae (14) Swallows and Martins |
| taperã | Progne tapera | Brown-chested Martin | Golondrina parda | Order Passeriformes | Hirundinidae (14) Swallows and Martins |
| taperusu | Streptoprocne biscutata | Biscutate Swift | Vencejo nuca blanca | Order Apodiformes | Apodidae (6) Swifts |
| tapikuru | Mesembrinibis cayennensis | Green Ibis | Tapicurú | Order Ciconiiformes | Threskiornithidae (6) Ibises |
| tapyi | Pseudocolopteryx sclateri; Pseudocolopteryx flaviventris; Pseudocolopteryx citreola | Crested Doradito; Warbling Doradito; Ticking Doradito | Doradito copetón; Doradito; Doradito limón | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| teĩ teĩ | Euphonia chalybea | Green-chinned Euphonia | Tangará picudo | Order Passeriformes | Fringillidae (7) Finches |
| tẽi tẽi | Micrastur semitorquatus | Collared Forest-Falcon | Halcón montés | Order Falconiformes | Falconidae (12) Falcons |
| tetẽi | Euphonia cyanocephala | Golden-rumped Euphonia | Tangará cabeza celeste | Order Passeriformes | Fringillidae (7) Finches |
| tetéu | Vanellus chilensis | Southern Lapwing | Tero tero | Order Charadriiformes | Charadriidae (7) Plovers |
| tetéu jagua | Himantopus mexicanus | Black-necked Stilt | Tero real | Order Charadriiformes | Recurvirostridae (1) Stilts |
| tĩ atã | Cyanoloxia glaucocaerulea | Glaucous-blue Grosbeak | Reinamora chica | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| tie | Chlorophonia cyanea | Blue-naped Chlorophonia | Tangará bonito | Order Passeriformes | Fringillidae (7) Finches |
| tie guasu paroarã | Paroaria coronata | Red-crested Cardinal | Cardenal | Order Passeriformes | Emberizidae (41) Emberizids |
| tie pirangã | Piranga flava | Lowland Hepatic-Tanager | Fueguero | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| tie pytã | Habia rubica | Red-crowned Ant-Tanager | Fueguero morado | Order Passeriformes | Cardinalidae (10) Cardinal Grosbeaks |
| tietẽ | Tangara cyanocephala; Euphonia pectoralis | Red-necked Tanager; Chestnut-bellied Euphonia | Tangará cuello castaño; Tangará alcalde | Order Passeriformes | Thraupidae (26) Tanagers; Fringillidae (7) Finches |
| tiete'i | Euphonia violacea | Violaceous Euphonia | Tangará amarillo | Order Passeriformes | Fringillidae (7) Finches |
| tingasu | Piaya cayana | Squirrel Cuckoo | Tingazú | Order Cuculiformes | Cuculidae (13) Cuckoos |
| tinguere | Colaptes melanochloros | Green-barred Flicker | Carpintero real | Order Piciformes | Picidae (21) Woodpeckers |
| tiotio | Phacellodomus striaticollis | Freckle-breasted Thornbird | Espinero pecho manchado | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| tiotoi | Schiffornis virescens | Greenish Schiffornis | Bailarín oliváceo | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| tiri tiri | Melanerpes cactorum | White-fronted Woodpecker | Carpintero del cactus | Order Piciformes | Picidae (21) Woodpeckers |
| tirri | Todirostrum cinereum | Common Tody-Flycatcher | Titirijí lomo ceniza | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| tokotoko | Conopophaga lineata | Rufous Gnateater | Chupadientes | Order Passeriformes | Conopophagidae (1) Gnateaters |
| toky kapata | Micrastur ruficollis | Barred Forest-Falcon | Halcón palomero | Order Falconiformes | Falconidae (12) Falcons |
| tõrõrõ | Poecilotriccus plumbeiceps | Ochre-faced Tody-Flycatcher | Mosqueta cabeza canela | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| toutou | Coccyzus americanus | Yellow-billed Cuckoo | Cuclillo alas rojizas | Order Cuculiformes | Cuculidae (13) Cuckoos |
| tovakusu | Chamaeza campanisona | Short-tailed Antthrush | Tovaca | Order Passeriformes | Formicariidae (3) Ground Antbirds |
| tuere guasu | Tityra cayana | Black-tailed Tityra | Tueré grande | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| tuere hũ | Tityra inquisitor | Black-crowned Tityra | Tueré chico | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| tuere'i | Tityra semifasciata | Masked Tityra | Tueré | Order Passeriformes | Tityridae (10) "The Schiffornis Assemblage" |
| tuguái jetapa | Tyrannus savana | Fork-tailed Flycatcher | Tijereta | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| tu'ĩ apyteju | Aratinga aurea | Peach-fronted Parakeet | Maracaná frente naranja | Order Psittaciformes | Psittacidae (24) Parrots |
| tu'ĩ chyryry | Brotogeris chiriri | Yellow-chevroned Parakeet | Catita chiriri | Order Psittaciformes | Psittacidae (24) Parrots |
| tu'ĩ guembe | Pionopsitta pileata | Pileated Parrot | Lorito cabeza roja | Order Psittaciformes | Psittacidae (24) Parrots |
| tu'ĩ karanda'y | Myiopsitta monachus | Monk Parakeet | Cotorrita | Order Psittaciformes | Psittacidae (24) Parrots |
| tuja kue | Coccycua cinereus; Coccyzus erythropthalmus; Coccyzus euleri | Ash-coloured Cuckoo; Black-billed Cuckoo; Pearly-breasted Cuckoo | Cuclillo chico; Cuclillo ojo colorado; Cuclillo ceniciento | Order Cuculiformes | Cuculidae (13) Cuckoos |
| tuja puka | Coccyzus melacoryphus | Dark-billed Cuckoo | Cuclillo canela | Order Cuculiformes | Cuculidae (13) Cuckoos |
| tuju | Sicalis flaveola | Saffron Finch | Canario paraguay | Order Passeriformes | Emberizidae (41) Emberizids |
| tujuju kangy | Mycteria americana | American Wood Stork | Tuyuyú | Order Ciconiiformes | Ciconiidae (3) Storks |
| tukã guasu | Ramphastos toco | Toco Toucan | Tucán grande | Order Piciformes | Ramphastidae (5) Toucans |
| tukã pakova | Pteroglossus bailloni | Saffron Toucanet | Arasarí banana | Order Piciformes | Ramphastidae (5) Toucans |
| tukã põka | Selenidera maculirostris | Spot-billed Toucanet | Arasarí chico | Order Piciformes | Ramphastidae (5) Toucans |
| tukã sa'yju | Pteroglossus castanotis | Chestnut-eared Aracari | Arasarí fajado | Order Piciformes | Ramphastidae (5) Toucans |
| tukã'i | Ramphastos dicolorus | Red-breasted Toucan | Tucán pico verde | Order Piciformes | Ramphastidae (5) Toucans |
| túke | Elaenia mesoleuca | Olivaceous Elaenia | Fiofío oliváceo | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| turi turi | Serpophaga griseicapilla | Straneck's Tyrannulet | Piojito trinador | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| turu kue | Synallaxis ruficapilla | Rufous-capped Spinetail | Pijuí corona rojiza | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Furnariinae |
| turuturu | Neocrex erythrops | Paint-billed Crake | Burrito pico rojo | Order Gruiformes | Rallidae (23) Rails |
| uru uru | Odontophorus capueira | Spot-winged Wood-Quail | Urú | Order Galliformes | Odontophoridae (1) Wood-Quails |
| urukurea chichi | Athene cunicularia | Burrowing Owl | Lechucita vizcachera | Order Strigiformes | Strigidae (15) Owls |
| urukure'a guasu | Pulsatrix perspicillata | Spectacled Owl | Lechuzón mocho grande | Order Strigiformes | Strigidae (15) Owls |
| urukure'a mini | Pulsatrix koeniswaldiana | Tawny-browed Owl | Lechuzón mocho chico | Order Strigiformes | Strigidae (15) Owls |
| urutau | Nyctibius aethereus; Nyctibius griseus | Long-tailed Potoo; Common Potoo | Urutaú coludo; Urutaú | Order Caprimulgiformes | Nyctibiidae (3) Potoos |
| urutau guasu | Nyctibius grandis | Great Potoo | Urutaú grande | Order Caprimulgiformes | Nyctibiidae (3) Potoos |
| vichi vichi para | Myiodynastes maculatus | Streaked Flycatcher | Pitogüé rayado | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| vira vira | Saltatricula multicolor | Many-coloured Chaco-finch | Pepitero chico | Order Passeriformes | Emberizidae (41) Emberizids |
| viro'o guasu | Thamnophilus caerulescens | Variable Antshrike | Batará plomizo | Order Passeriformes | Thamnophilidae (22) Antbirds |
| viro'o mbéi | Dysithamnus mentalis | Plain Antvireo | Batará amarillo | Order Passeriformes | Thamnophilidae (22) Antbirds |
| viro'o pytã | Herpsilochmus rufimarginatus | Rufous-winged Antwren | Tiluchí ala rojiza | Order Passeriformes | Thamnophilidae (22) Antbirds |
| ybyya'u tuju | Eleothreptus anomalus | Sickle-winged Nightjar | Atajacaminos de pantano | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| ynambu apeky'a | Crypturellus obsoletus | Brown Tinamou | Tataupá rojizo | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu apiratĩ | Eudromia formosa | Quebracho Crested-tinamou | Copetona | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu boli | Nothura boraquira | White-bellied Nothura | Perdiz chaqueña | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu chororo | Crypturellus parvirostris | Small-billed Tinamou | Tataupá chico | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu guasu | Rhynchotus rufescens | Red-winged Tinamou | Martineta | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu kagua | Tinamus solitarius | Solitary Tinamou | Macuco | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu karape | Taoniscus nanus | Dwarf Tinamou | Perdiz petisa | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu kogoe | Crypturellus undulatus | Undulated Tinamou | Tataupá listado | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu sĩsĩ | Nothoprocta cinerascens | Brushland Tinamou | Perdiz de monte | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu tataupa | Crypturellus tataupa | Tataupa Tinamou | Tataupá | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu'i | Nothura maculosa | Spotted Nothura | Perdiz chica | Order Tinamiformes | Tinamidae (12) Tinamous |
| ynambu'i pytã | Nothura minor | Lesser Nothura | Perdiz menor | Order Tinamiformes | Tinamidae (12) Tinamous |
| yndaje | Rupornis magnirostris | Roadside Hawk | Taguató | Order Falconiformes | Accipitridae (35) Birds of Prey |
| ypaka'a | Aramides ypecaha | Giant Wood-Rail | Gallineta de agua | Order Gruiformes | Rallidae (23) Rails |
| ype ajúra hũ | Callonetta leucophrys | Ringed Teal | Patito arroz | Order Anseriformes | Anatidae (21) Ducks |
| ype akã hũ | Heteronetta atricapilla | Black-headed Duck | Pato cabeza negra | Order Anseriformes | Anatidae (21) Ducks |
| ype apa | Podilymbus podiceps; Rollandia rolland | Pied-billed Grebe; White-tufted Grebe | Macá pico grueso; Macá chico | Order Podicipediformes | Podicipedidae (5) Grebes |
| ype apa guasu | Podicephorus major | Great Grebe | Macá grande | Order Podicipediformes | Podicipedidae (5) Grebes |
| ype apa'i | Tachybaptus dominicus | Least Grebe | Macacito gris | Order Podicipediformes | Podicipedidae (5) Grebes |
| ype guasu | Cairina moschata | Muscovy Duck | Bragado | Order Anseriformes | Anatidae (21) Ducks |
| ype juru pe | Anas platalea | Red Shoveler | Pato cuchara | Order Anseriformes | Anatidae (21) Ducks |
| ype kirĩ | Anas versicolor | Silver Teal | Pato capuchino | Order Anseriformes | Anatidae (21) Ducks |
| ype ku'a | Anas flavirostris | Speckled Teal | Pato barcino | Order Anseriformes | Anatidae (21) Ducks |
| ype kutiri | Amazonetta brasiliensis | Brazilian Duck | Alita azul | Order Anseriformes | Anatidae (21) Ducks |
| ype pepo sakã | Netta peposaca | Rosy-billed Pochard | Cresta rosa | Order Anseriformes | Anatidae (21) Ducks |
| ype ruguái akua | Anas georgica; Anas bahamensis | Yellow-billed Pintail; White-cheeked Pintail | Pato maicero; Pato gargantilla | Order Anseriformes | Anatidae (21) Ducks |
| ype suiriri | Dendrocygna viduata | White-faced Whistling-Duck | Pato silbón cara blanca | Order Anseriformes | Anatidae (21) Ducks |
| ype suiriri pepotĩ | Dendrocygna autumnalis | Black-bellied Whistling-Duck | Pato silbón ala blanca | Order Anseriformes | Anatidae (21) Ducks |
| ype suiriri pytã | Dendrocygna bicolor | Fulvous Whistling-Duck | Pato silbón colorado | Order Anseriformes | Anatidae (21) Ducks |
| ype tĩ apu'a | Sarkidiornis melanotos | Comb Duck | Pato ganso | Order Anseriformes | Anatidae (21) Ducks |
| ype'i pytã | Anas cyanoptera | Cinnamon Teal | Pato colorado | Order Anseriformes | Anatidae (21) Ducks |
| ypekũ akã mirã | Dryocopus galeatus | Helmeted Woodpecker | Carpintero cara canela | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ akã pytã | Campephilus melanoleucos; Campephilus leucopogon | Crimson-crested Woodpecker; Cream-backed Woodpecker | Carpintero garganta negra; Carpintero lomo blanco | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ atĩ | Celeus lugubris | Pale-crested Woodpecker | Carpintero copete pajizo | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ guasu ka'aguy | Campephilus robustus | Robust Woodpecker | Carpintero grande | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ hovy | Piculus aurulentus | Yellow-browed Woodpecker | Carpintero verde | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ hũ | Dryocopus schulzi | Black-bodied Woodpecker | Carpintero negro | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ juru karapã | Campylorhamphus falcularius | Black-billed Scythebill | Picapalo oscuro | Order Passeriformes | Furnariidae (58) Ovenbirds and Woodcreepers: Subfamily Dendrocolaptinae |
| ypekũ mbatara | Veniliornis mixtus | Checkered Woodpecker | Carpintero bataraz | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ ne'i | Picumnus temminckii; Picumnus cirratus; Picumnus albosquamatus | Ochre-collared Piculet; White-barred Piculet; White-wedged Piculet | Carpinterito cuello canela; Carpinterito | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ ntere | Melanerpes candidus | White Woodpecker | Carpintero blanco | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ ñu | Colaptes campestris | Campo Flicker | Carpintero campestre | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ para | Veniliornis spilogaster | White-spotted Woodpecker | Carpinterito barrado | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ rupakã | Piculus chrysochloros | Golden-green Woodpecker | Carpintero dorado | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ sa'yju | Celeus flavescens | Blond-crested Woodpecker | Carpintero copete amarillo | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ tape | Dryocopus lineatus | Lineated Woodpecker | Carpintero garganta estriada | Order Piciformes | Picidae (21) Woodpeckers |
| ypekũ'i | Veniliornis passerinus | Little Woodpecker | Carpinterito oliváceo | Order Piciformes | Picidae (21) Woodpeckers |
| ypeky | Heliornis fulica | Sungrebe | Ipequí | Order Gruiformes | Heliornithidae (1) Sungrebe |
| yrembe'y | Serpophaga nigricans | Sooty Tyrannulet | Piojito gris | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| yrupero | Xolmis irupero | White Monjita | Monjita blanca | Order Passeriformes | Tyrannidae (102) Tyrant Flycatchers |
| yryvu | Vultur gryphus | Andean Condor | Cóndor | Order Falconiformes | Cathartidae (5) New World Vultures |
| yryvu akã sa'yju | Cathartes burrovianus | Lesser Yellow-headed Vulture | Cuervo cabeza amarilla | Order Falconiformes | Cathartidae (5) New World Vultures |
| yryvu akã virãi | Cathartes aura | Turkey Vulture | Cuervo cabeza roja | Order Falconiformes | Cathartidae (5) New World Vultures |
| yryvu ruvicha | Sarcoramphus papa | King Vulture | Cuervo real | Order Falconiformes | Cathartidae (5) New World Vultures |
| yryvutinga | Buteogallus urubitinga | Great Black Hawk | Águila negra | Order Falconiformes | Accipitridae (35) Birds of Prey |
| yvyja'u | Nyctiprogne leucopyga; Caprimulgus longirostris | Band-tailed Nighthawk; Band-winged Nightjar | Añapero cola blanca; Atajacaminos ñañarca | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyja'u jetapa | Hydropsalis torquata | Scissor-tailed Nightjar | Atajacaminos tijereta | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyja'u mbatara | Caprimulgus maculicaudus | Spot-tailed Nightjar | Atajacaminos cola manchada | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyja'u mbyju'i | Lurocalis semitorquatus | Short-tailed Nighthawk | Añapero castaño | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyja'u mi | Chordeiles minor | Common Nighthawk | Añapero boreal | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyja'u moroti | Eleothreptus candicans | White-winged Nightjar | Atajacaminos ala blanca | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyja'u ravyta | Antrostomus rufus | Rufous Nightjar | Atajacaminos colorado | Order Caprimulgiformes | Caprimulgidae (16) Nightjars |
| yvyra ihasya | Phytotoma rutila | White-tipped Plantcutter | Cortarramas | Order Passeriformes | Phytotomidae (1) Plantcutters |
| yyvu hũ | Coragyps atratus | Black Vulture | Cuervo negro | Order Falconiformes | Cathartidae (5) New World Vultures |