Data Zone
| Scientific name | English name | Family | Global IUCN Red List Category |
|---|---|---|---|
| Accipiter bicolor | Bicolored Hawk | Accipitridae (Hawks, Eagles) | LC |
| Actitis macularius | Spotted Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Agelasticus cyanopus | Unicolored Blackbird | Icteridae (New World blackbirds) | LC |
| Agelasticus thilius | Yellow-winged Blackbird | Icteridae (New World blackbirds) | LC |
| Agriornis micropterus | Grey-bellied Shrike-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Agriornis murinus | Lesser Shrike-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Alectrurus risora | Strange-tailed Tyrant | Tyrannidae (Tyrant-flycatchers) | VU |
| Alectrurus tricolor | Cock-tailed Tyrant | Tyrannidae (Tyrant-flycatchers) | VU |
| Alopochelidon fucata | Tawny-headed Swallow | Hirundinidae (Swallows and martins) | LC |
| Amazonetta brasiliensis | Brazilian Teal | Anatidae (Ducks, Geese, Swans) | LC |
| Amblyramphus holosericeus | Scarlet-headed Blackbird | Icteridae (New World blackbirds) | LC |
| Ammodramus humeralis | Grassland Sparrow | Passerellidae (New World sparrows) | LC |
| Anas bahamensis | White-cheeked Pintail | Anatidae (Ducks, Geese, Swans) | LC |
| Anas flavirostris | Yellow-billed Teal | Anatidae (Ducks, Geese, Swans) | LC |
| Anas georgica | Yellow-billed Pintail | Anatidae (Ducks, Geese, Swans) | LC |
| Anodorhynchus hyacinthinus | Hyacinth Macaw | Psittacidae (Parrots) | VU |
| Anthracothorax nigricollis | Black-throated Mango | Trochilidae (Hummingbirds) | LC |
| Anthus chacoensis | Pampas Pipit | Motacillidae (Pipits and Wagtails) | LC |
| Anthus correndera | Correndera Pipit | Motacillidae (Pipits and Wagtails) | LC |
| Anthus furcatus | Short-billed Pipit | Motacillidae (Pipits and Wagtails) | LC |
| Anthus hellmayri | Hellmayr's Pipit | Motacillidae (Pipits and Wagtails) | LC |
| Aramus guarauna | Limpkin | Aramidae (Limpkin) | LC |
| Ardea alba | Great White Egret | Ardeidae (Herons) | LC |
| Ardea cocoi | Cocoi Heron | Ardeidae (Herons) | LC |
| Asio flammeus | Short-eared Owl | Strigidae (Typical Owls) | LC |
| Asthenes pyrrholeuca | Sharp-billed Canastero | Furnariidae (Ovenbirds) | LC |
| Athene cunicularia | Burrowing Owl | Strigidae (Typical Owls) | LC |
| Attila phoenicurus | Rufous-tailed Attila | Tyrannidae (Tyrant-flycatchers) | LC |
| Bartramia longicauda | Upland Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Botaurus pinnatus | Pinnated Bittern | Ardeidae (Herons) | LC |
| Bubo virginianus | Great Horned Owl | Strigidae (Typical Owls) | LC |
| Bubulcus ibis | Cattle Egret | Ardeidae (Herons) | LC |
| Buteo albonotatus | Zone-tailed Hawk | Accipitridae (Hawks, Eagles) | LC |
| Buteo nitidus | Grey-lined Hawk | Accipitridae (Hawks, Eagles) | LC |
| Buteo swainsoni | Swainson's Hawk | Accipitridae (Hawks, Eagles) | LC |
| Buteogallus meridionalis | Savanna Hawk | Accipitridae (Hawks, Eagles) | LC |
| Butorides striata | Green-backed Heron | Ardeidae (Herons) | LC |
| Cacicus chrysopterus | Golden-winged Cacique | Icteridae (New World blackbirds) | LC |
| Cacicus solitarius | Solitary Cacique | Icteridae (New World blackbirds) | LC |
| Calidris alba | Sanderling | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Calidris bairdii | Baird's Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Calidris canutus | Red Knot | Scolopacidae (Sandpipers, Snipes, Phalaropes) | NT |
| Calidris fuscicollis | White-rumped Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Calidris himantopus | Stilt Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Calidris melanotos | Pectoral Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Calidris minutilla | Least Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Calidris pusilla | Semipalmated Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | NT |
| Calidris subruficollis | Buff-breasted Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | NT |
| Calliphlox amethystina | Amethyst Woodstar | Trochilidae (Hummingbirds) | LC |
| Callonetta leucophrys | Ringed Teal | Anatidae (Ducks, Geese, Swans) | LC |
| Casiornis rufus | Rufous Casiornis | Tyrannidae (Tyrant-flycatchers) | LC |
| Cathartes aura | Turkey Vulture | Cathartidae (New World vultures) | LC |
| Chaetura meridionalis | Southern Swift | Apodidae (Swifts) | LC |
| Chlorostilbon lucidus | Glittering-bellied Emerald | Trochilidae (Hummingbirds) | LC |
| Chordeiles acutipennis | Lesser Nighthawk | Caprimulgidae (Nightjars) | LC |
| Chordeiles minor | Common Nighthawk | Caprimulgidae (Nightjars) | LC |
| Chordeiles nacunda | Nacunda Nighthawk | Caprimulgidae (Nightjars) | LC |
| Chrysolampis mosquitus | Ruby-topaz Hummingbird | Trochilidae (Hummingbirds) | LC |
| Chrysomus ruficapillus | Chestnut-capped Blackbird | Icteridae (New World blackbirds) | LC |
| Ciconia maguari | Maguari Stork | Ciconiidae (Storks) | LC |
| Cinclodes fuscus | Buff-winged Cinclodes | Furnariidae (Ovenbirds) | LC |
| Circus buffoni | Long-winged Harrier | Accipitridae (Hawks, Eagles) | LC |
| Circus cinereus | Cinereous Harrier | Accipitridae (Hawks, Eagles) | LC |
| Cnemotriccus fuscatus | Fuscous Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Coccycua cinerea | Ash-colored Cuckoo | Cuculidae (Cuckoos) | LC |
| Coccyzus americanus | Yellow-billed Cuckoo | Cuculidae (Cuckoos) | LC |
| Coccyzus erythropthalmus | Black-billed Cuckoo | Cuculidae (Cuckoos) | LC |
| Coccyzus euleri | Pearly-breasted Cuckoo | Cuculidae (Cuckoos) | LC |
| Coccyzus melacoryphus | Dark-billed Cuckoo | Cuculidae (Cuckoos) | LC |
| Colaptes melanolaimus | Golden-breasted Woodpecker | Picidae (Woodpeckers) | LC |
| Columbina picui | Picui Dove | Columbidae (Pigeons, Doves) | LC |
| Contopus cinereus | Southern Tropical Pewee | Tyrannidae (Tyrant-flycatchers) | LC |
| Coragyps atratus | American Black Vulture | Cathartidae (New World vultures) | LC |
| Coscoroba coscoroba | Coscoroba Swan | Anatidae (Ducks, Geese, Swans) | LC |
| Coturnicops notatus | Speckled Rail | Rallidae (Rails, Gallinules, Coots) | LC |
| Crotophaga major | Greater Ani | Cuculidae (Cuckoos) | LC |
| Cyanoloxia glaucocaerulea | Glaucous-blue Grosbeak | Cardinalidae (Cardinals) | LC |
| Cypseloides fumigatus | Sooty Swift | Apodidae (Swifts) | LC |
| Cypseloides senex | Great Dusky Swift | Apodidae (Swifts) | LC |
| Dendrocygna autumnalis | Black-bellied Whistling-duck | Anatidae (Ducks, Geese, Swans) | LC |
| Dendrocygna bicolor | Fulvous Whistling-duck | Anatidae (Ducks, Geese, Swans) | LC |
| Dendrocygna viduata | White-faced Whistling-duck | Anatidae (Ducks, Geese, Swans) | LC |
| Dolichonyx oryzivorus | Bobolink | Icteridae (New World blackbirds) | LC |
| Donacospiza albifrons | Long-tailed Reed-finch | Thraupidae (Tanagers) | LC |
| Egretta caerulea | Little Blue Heron | Ardeidae (Herons) | LC |
| Egretta thula | Snowy Egret | Ardeidae (Herons) | LC |
| Elaenia albiceps | White-crested Elaenia | Tyrannidae (Tyrant-flycatchers) | LC |
| Elaenia mesoleuca | Olivaceous Elaenia | Tyrannidae (Tyrant-flycatchers) | LC |
| Elaenia parvirostris | Small-billed Elaenia | Tyrannidae (Tyrant-flycatchers) | LC |
| Elaenia spectabilis | Large Elaenia | Tyrannidae (Tyrant-flycatchers) | LC |
| Elanoides forficatus | Swallow-tailed Kite | Accipitridae (Hawks, Eagles) | LC |
| Elanus leucurus | White-tailed Kite | Elanidae (Kites) | LC |
| Empidonax alnorum | Alder Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Empidonomus varius | Variegated Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Euscarthmus meloryphus | Tawny-crowned Pygmy-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Falco femoralis | Aplomado Falcon | Falconidae (Falcons, Caracaras) | LC |
| Falco peregrinus | Peregrine Falcon | Falconidae (Falcons, Caracaras) | LC |
| Falco sparverius | American Kestrel | Falconidae (Falcons, Caracaras) | LC |
| Florisuga fusca | Black Jacobin | Trochilidae (Hummingbirds) | LC |
| Fluvicola albiventer | Black-backed Water-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Fulica armillata | Red-gartered Coot | Rallidae (Rails, Gallinules, Coots) | LC |
| Fulica leucoptera | White-winged Coot | Rallidae (Rails, Gallinules, Coots) | LC |
| Fulica rufifrons | Red-fronted Coot | Rallidae (Rails, Gallinules, Coots) | LC |
| Gallinula galeata | Common Gallinule | Rallidae (Rails, Gallinules, Coots) | LC |
| Geothlypis aequinoctialis | Masked Yellowthroat | Parulidae (New World warblers) | LC |
| Geranoaetus albicaudatus | White-tailed Hawk | Accipitridae (Hawks, Eagles) | LC |
| Geranoaetus polyosoma | Variable Hawk | Accipitridae (Hawks, Eagles) | LC |
| Glaucidium brasilianum | Ferruginous Pygmy-owl | Strigidae (Typical Owls) | LC |
| Griseotyrannus aurantioatrocristatus | Crowned Slaty Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Guira guira | Guira Cuckoo | Cuculidae (Cuckoos) | LC |
| Harpagus diodon | Rufous-thighed Kite | Accipitridae (Hawks, Eagles) | LC |
| Heliomaster furcifer | Blue-tufted Starthroat | Trochilidae (Hummingbirds) | LC |
| Hemithraupis guira | Guira Tanager | Thraupidae (Tanagers) | LC |
| Heteronetta atricapilla | Black-headed Duck | Anatidae (Ducks, Geese, Swans) | LC |
| Himantopus himantopus | Black-winged Stilt | Recurvirostridae (Avocets, Stilts) | LC |
| Hirundinea bellicosa | Swallow Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Hirundo rustica | Barn Swallow | Hirundinidae (Swallows and martins) | LC |
| Hydropsalis torquata | Scissor-tailed Nightjar | Caprimulgidae (Nightjars) | LC |
| Hymenops perspicillatus | Spectacled Tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Ictinia mississippiensis | Mississippi Kite | Accipitridae (Hawks, Eagles) | LC |
| Ictinia plumbea | Plumbeous Kite | Accipitridae (Hawks, Eagles) | LC |
| Inezia inornata | Plain Tyrannulet | Tyrannidae (Tyrant-flycatchers) | LC |
| Ixobrychus exilis | Least Bittern | Ardeidae (Herons) | LC |
| Ixobrychus involucris | Stripe-backed Bittern | Ardeidae (Herons) | LC |
| Jacana jacana | Wattled Jacana | Jacanidae (Jacanas) | LC |
| Knipolegus aterrimus | White-winged Black-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Knipolegus cyanirostris | Blue-billed Black-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Knipolegus hudsoni | Hudson's Black-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Knipolegus striaticeps | Cinereous Black-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Larus cirrocephalus | Grey-headed Gull | Laridae (Gulls, Terns, Skimmers) | LC |
| Larus maculipennis | Brown-hooded Gull | Laridae (Gulls, Terns, Skimmers) | LC |
| Larus pipixcan | Franklin's Gull | Laridae (Gulls, Terns, Skimmers) | LC |
| Lathrotriccus euleri | Euler's Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Legatus leucophaius | Piratic Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Leistes superciliaris | White-browed Blackbird | Icteridae (New World blackbirds) | LC |
| Lessonia rufa | Austral Negrito | Tyrannidae (Tyrant-flycatchers) | LC |
| Leucochloris albicollis | White-throated Hummingbird | Trochilidae (Hummingbirds) | LC |
| Limosa haemastica | Hudsonian Godwit | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Lophospingus pusillus | Black-crested Finch | Thraupidae (Tanagers) | LC |
| Lurocalis semitorquatus | Short-tailed Nighthawk | Caprimulgidae (Nightjars) | LC |
| Megaceryle torquata | Ringed Kingfisher | Alcedinidae (Kingfishers) | LC |
| Microspingus pectoralis | Black-breasted Warbling-finch | Thraupidae (Tanagers) | LC |
| Mimus triurus | White-banded Mockingbird | Mimidae (Mockingbirds and thrashers) | LC |
| Molothrus bonariensis | Shiny Cowbird | Icteridae (New World blackbirds) | LC |
| Muscipipra vetula | Shear-tailed Grey Tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Mycteria americana | Wood Stork | Ciconiidae (Storks) | LC |
| Myiarchus swainsoni | Swainson's Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Myiarchus tyrannulus | Brown-crested Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Myiodynastes solitarius | Southern Streaked Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Myiopagis viridicata | Greenish Elaenia | Tyrannidae (Tyrant-flycatchers) | LC |
| Myiophobus fasciatus | Bran-colored Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Myiothlypis leucoblephara | White-rimmed Warbler | Parulidae (New World warblers) | LC |
| Netta peposaca | Rosy-billed Pochard | Anatidae (Ducks, Geese, Swans) | LC |
| Numenius borealis | Eskimo Curlew | Scolopacidae (Sandpipers, Snipes, Phalaropes) | CR (PE) |
| Nyctibius griseus | Common Potoo | Nyctibiidae (Potoos) | LC |
| Nycticorax nycticorax | Black-crowned Night-heron | Ardeidae (Herons) | LC |
| Nycticryphes semicollaris | South American Painted-snipe | Rostratulidae (Painted-snipes) | LC |
| Oxyura vittata | Lake Duck | Anatidae (Ducks, Geese, Swans) | LC |
| Pachyramphus polychopterus | White-winged Becard | Tityridae (Tityras and allies) | LC |
| Pachyramphus validus | Crested Becard | Tityridae (Tityras and allies) | LC |
| Pandion haliaetus | Osprey | Pandionidae (Osprey) | LC |
| Pardirallus sanguinolentus | Plumbeous Rail | Rallidae (Rails, Gallinules, Coots) | LC |
| Patagioenas maculosa | Spot-winged Pigeon | Columbidae (Pigeons, Doves) | LC |
| Patagioenas picazuro | Picazuro Pigeon | Columbidae (Pigeons, Doves) | LC |
| Petrochelidon pyrrhonota | Cliff Swallow | Hirundinidae (Swallows and martins) | LC |
| Phaeomyias murina | Mouse-colored Tyrannulet | Tyrannidae (Tyrant-flycatchers) | LC |
| Phalaropus fulicarius | Red Phalarope | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Phalcoboenus chimango | Chimango Caracara | Falconidae (Falcons, Caracaras) | LC |
| Pheucticus aureoventris | Black-backed Grosbeak | Cardinalidae (Cardinals) | LC |
| Phibalura flavirostris | Swallow-tailed Cotinga | Cotingidae (Cotingas) | LC |
| Phimosus infuscatus | Bare-faced Ibis | Threskiornithidae (Ibises, Spoonbills) | LC |
| Phleocryptes melanops | Wren-like Rushbird | Furnariidae (Ovenbirds) | LC |
| Phoenicopterus chilensis | Chilean Flamingo | Phoenicopteridae (Flamingos) | NT |
| Phyllomyias fasciatus | Planalto Tyrannulet | Tyrannidae (Tyrant-flycatchers) | LC |
| Phytotoma rutila | White-tipped Plantcutter | Cotingidae (Cotingas) | LC |
| Pipraeidea bonariensis | Blue-and-yellow Tanager | Thraupidae (Tanagers) | LC |
| Piranga flava | Red Tanager | Cardinalidae (Cardinals) | LC |
| Pitangus sulphuratus | Great Kiskadee | Tyrannidae (Tyrant-flycatchers) | LC |
| Platalea ajaja | Roseate Spoonbill | Threskiornithidae (Ibises, Spoonbills) | LC |
| Plegadis chihi | White-faced Ibis | Threskiornithidae (Ibises, Spoonbills) | LC |
| Pluvialis dominica | American Golden Plover | Charadriidae (Plovers) | LC |
| Pluvialis squatarola | Grey Plover | Charadriidae (Plovers) | LC |
| Podiceps major | Great Grebe | Podicipedidae (Grebes) | LC |
| Podiceps occipitalis | Southern Silvery Grebe | Podicipedidae (Grebes) | LC |
| Podilymbus podiceps | Pied-billed Grebe | Podicipedidae (Grebes) | LC |
| Polystictus pectoralis | Bearded Tachuri | Tyrannidae (Tyrant-flycatchers) | NT |
| Poospiza nigrorufa | Black-and-rufous Warbling-finch | Thraupidae (Tanagers) | LC |
| Porphyrio flavirostris | Azure Gallinule | Rallidae (Rails, Gallinules, Coots) | LC |
| Porphyrio martinicus | Purple Gallinule | Rallidae (Rails, Gallinules, Coots) | LC |
| Porphyriops melanops | Spot-flanked Gallinule | Rallidae (Rails, Gallinules, Coots) | LC |
| Progne chalybea | Grey-breasted Martin | Hirundinidae (Swallows and martins) | LC |
| Progne elegans | Southern Martin | Hirundinidae (Swallows and martins) | LC |
| Progne subis | Purple Martin | Hirundinidae (Swallows and martins) | LC |
| Progne tapera | Brown-chested Martin | Hirundinidae (Swallows and martins) | LC |
| Pseudocolopteryx acutipennis | Subtropical Doradito | Tyrannidae (Tyrant-flycatchers) | LC |
| Pseudocolopteryx citreola | Ticking Doradito | Tyrannidae (Tyrant-flycatchers) | LC |
| Pseudocolopteryx dinelliana | Dinelli's Doradito | Tyrannidae (Tyrant-flycatchers) | NT |
| Pseudocolopteryx flaviventris | Warbling Doradito | Tyrannidae (Tyrant-flycatchers) | LC |
| Pseudocolopteryx sclateri | Crested Doradito | Tyrannidae (Tyrant-flycatchers) | LC |
| Pseudoleistes virescens | Brown-and-yellow Marshbird | Icteridae (New World blackbirds) | LC |
| Pygochelidon cyanoleuca | Blue-and-white Swallow | Hirundinidae (Swallows and martins) | LC |
| Pyrocephalus rubinus | Common Vermilion Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Riparia riparia | Collared Sand Martin | Hirundinidae (Swallows and martins) | LC |
| Rollandia rolland | White-tufted Grebe | Podicipedidae (Grebes) | LC |
| Rostrhamus sociabilis | Snail Kite | Accipitridae (Hawks, Eagles) | LC |
| Rynchops niger | Black Skimmer | Laridae (Gulls, Terns, Skimmers) | LC |
| Sarkidiornis sylvicola | American Comb Duck | Anatidae (Ducks, Geese, Swans) | LC |
| Satrapa icterophrys | Yellow-browed Tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Schistochlamys melanopis | Black-faced Tanager | Thraupidae (Tanagers) | LC |
| Serpophaga griseicapilla | Straneck's Tyrannulet | Tyrannidae (Tyrant-flycatchers) | LC |
| Serpophaga nigricans | Sooty Tyrannulet | Tyrannidae (Tyrant-flycatchers) | LC |
| Serpophaga subcristata | White-crested Tyrannulet | Tyrannidae (Tyrant-flycatchers) | LC |
| Setopagis parvula | Little Nightjar | Caprimulgidae (Nightjars) | LC |
| Sicalis luteola | Grassland Yellow-finch | Thraupidae (Tanagers) | LC |
| Spatula cyanoptera | Cinnamon Teal | Anatidae (Ducks, Geese, Swans) | LC |
| Spatula platalea | Red Shoveler | Anatidae (Ducks, Geese, Swans) | LC |
| Spatula versicolor | Silver Teal | Anatidae (Ducks, Geese, Swans) | LC |
| Sporophila caerulescens | Double-collared Seedeater | Thraupidae (Tanagers) | LC |
| Sporophila cinnamomea | Chestnut Seedeater | Thraupidae (Tanagers) | VU |
| Sporophila hypochroma | Rufous-rumped Seedeater | Thraupidae (Tanagers) | NT |
| Sporophila hypoxantha | Tawny-bellied Seedeater | Thraupidae (Tanagers) | LC |
| Sporophila leucoptera | White-bellied Seedeater | Thraupidae (Tanagers) | LC |
| Sporophila lineola | Lined Seedeater | Thraupidae (Tanagers) | LC |
| Sporophila palustris | Marsh Seedeater | Thraupidae (Tanagers) | EN |
| Sporophila pileata | Pearly-bellied Seedeater | Thraupidae (Tanagers) | LC |
| Sporophila ruficollis | Dark-throated Seedeater | Thraupidae (Tanagers) | NT |
| Steganopus tricolor | Wilson's Phalarope | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Stelgidopteryx ruficollis | Southern Rough-winged Swallow | Hirundinidae (Swallows and martins) | LC |
| Stephanophorus diadematus | Diademed Tanager | Thraupidae (Tanagers) | LC |
| Sterna paradisaea | Arctic Tern | Laridae (Gulls, Terns, Skimmers) | LC |
| Stigmatura budytoides | Greater Wagtail-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Streptoprocne zonaris | White-collared Swift | Apodidae (Swifts) | LC |
| Sublegatus modestus | Southern Scrub-flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Suiriri suiriri | Suiriri Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Synallaxis albescens | Pale-breasted Spinetail | Furnariidae (Ovenbirds) | LC |
| Synallaxis frontalis | Sooty-fronted Spinetail | Furnariidae (Ovenbirds) | LC |
| Syrigma sibilatrix | Whistling Heron | Ardeidae (Herons) | LC |
| Systellura longirostris | Greater Band-winged Nightjar | Caprimulgidae (Nightjars) | LC |
| Tachuris rubrigastra | Many-colored Rush-tyrant | Tyrannidae (Tyrant-flycatchers) | LC |
| Tachycineta albiventer | White-winged Swallow | Hirundinidae (Swallows and martins) | LC |
| Tachycineta leucorrhoa | White-rumped Swallow | Hirundinidae (Swallows and martins) | LC |
| Tachycineta meyeni | Chilean Swallow | Hirundinidae (Swallows and martins) | LC |
| Tangara palmarum | Palm Tanager | Thraupidae (Tanagers) | LC |
| Tangara preciosa | Chestnut-backed Tanager | Thraupidae (Tanagers) | LC |
| Tangara sayaca | Sayaca Tanager | Thraupidae (Tanagers) | LC |
| Tapera naevia | Striped Cuckoo | Cuculidae (Cuckoos) | LC |
| Tersina viridis | Swallow Tanager | Thraupidae (Tanagers) | LC |
| Tringa flavipes | Lesser Yellowlegs | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Tringa melanoleuca | Greater Yellowlegs | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Tringa solitaria | Solitary Sandpiper | Scolopacidae (Sandpipers, Snipes, Phalaropes) | LC |
| Troglodytes aedon | House Wren | Troglodytidae (Wrens) | LC |
| Turdus amaurochalinus | Creamy-bellied Thrush | Turdidae (Thrushes) | LC |
| Turdus flavipes | Yellow-legged Thrush | Turdidae (Thrushes) | LC |
| Turdus leucomelas | Pale-breasted Thrush | Turdidae (Thrushes) | LC |
| Tyrannus melancholicus | Tropical Kingbird | Tyrannidae (Tyrant-flycatchers) | LC |
| Tyrannus savana | Fork-tailed Flycatcher | Tyrannidae (Tyrant-flycatchers) | LC |
| Tyrannus tyrannus | Eastern Kingbird | Tyrannidae (Tyrant-flycatchers) | LC |
| Vanellus chilensis | Southern Lapwing | Charadriidae (Plovers) | LC |
| Veniliornis mixtus | Checkered Woodpecker | Picidae (Woodpeckers) | LC |
| Vireo olivaceus | Red-eyed Vireo | Vireonidae (Vireos) | LC |
| Xenopsaris albinucha | White-naped Becard | Tityridae (Tityras and allies) | LC |
| Xolmis cinereus | Grey Monjita | Tyrannidae (Tyrant-flycatchers) | LC |
| Xolmis coronatus | Black-crowned Monjita | Tyrannidae (Tyrant-flycatchers) | LC |
| Xolmis irupero | White Monjita | Tyrannidae (Tyrant-flycatchers) | LC |
| Zenaida auriculata | Eared Dove | Columbidae (Pigeons, Doves) | LC |
| Zonotrichia capensis | Rufous-collared Sparrow | Passerellidae (New World sparrows) | LC |
