| Ducks: Anatidae |
| 1 | Silver Teal | Spatula versicolor |
| 2 | Cinnamon Teal | Spatula cyanoptera |
| Guans, Chachalacas, and Curassows: Cracidae |
| 3 | Chaco Chachalaca | Ortalis canicollis |
| Pigeons and Doves: Columbidae |
| 4 | Rock Pigeon | Columba livia |
| 5 | Picazuro Pigeon | Patagioenas picazuro |
| 6 | Spot-winged Pigeon | Patagioenas maculosa |
| 7 | Picui Ground Dove | Columbina picui |
| 8 | White-tipped Dove | Leptotila verreauxi |
| 9 | Eared Dove | Zenaida auriculata |
| Cuckoos: Cuculidae |
| 10 | Guira Cuckoo | Guira guira |
| Nightjars and Allies: Caprimulgidae |
| 11 | Little Nightjar | Setopagis parvula |
| Swifts: Apodidae |
| 12 | Andean Swift | Aeronautes andecolus |
| Hummingbirds: Trochilidae |
| 13 | Glittering-bellied Emerald | Chlorostilbon lucidus |
| 14 | White-bellied Hummingbird | Elliotomyia chionogaster |
| Rails, Gallinules, and Coots: Rallidae |
| 15 | Common Gallinule | Gallinula galeata |
| 16 | Red-gartered Coot | Fulica armillata |
| 17 | White-winged Coot | Fulica leucoptera |
| Stilts and Avocets: Recurvirostridae |
| 18 | Black-necked Stilt | Himantopus mexicanus |
| Plovers and Lapwings: Charadriidae |
| 19 | Southern Lapwing | Vanellus chilensis |
| Gulls, Terns, and Skimmers: Laridae |
| 20 | Andean Gull | Chroicocephalus serranus |
| 21 | Black Skimmer | Rynchops niger |
| Grebes: Podicipedidae |
| 22 | White-tufted Grebe | Rollandia rolland |
| 23 | Pied-billed Grebe | Podilymbus podiceps |
| 24 | Great Grebe | Podiceps major |
| Cormorants and Shags: Phalacrocoracidae |
| 25 | Neotropic Cormorant | Nannopterum brasilianus |
| Ibises and Spoonbills: Threskiornithidae |
| 26 | White-faced Ibis | Plegadis chihi |
| 27 | Bare-faced Ibis | Phimosus infuscatus |
| 28 | Buff-necked Ibis | Theristicus caudatus |
| Herons, Egrets, and Bitterns: Ardeidae |
| 29 | Black-crowned Night Heron | Nycticorax nycticorax |
| 30 | Whistling Heron | Syrigma sibilatrix |
| 31 | Snowy Egret | Egretta thula |
| 32 | Striated Heron | Butorides striata |
| 33 | Western Cattle-Egret | Bubulcus ibis |
| 34 | Great Egret | Ardea alba |
| 35 | Cocoi Heron | Ardea cocoi |
| New World Vultures: Cathartidae |
| 36 | Black Vulture | Coragyps atratus |
| 37 | Turkey Vulture | Cathartes aura |
| Hawks, Eagles, and Kites: Accipitridae |
| 38 | White-tailed Kite | Elanus leucurus |
| 39 | Cinereous Harrier | Circus cinereus |
| 40 | Snail Kite | Rostrhamus sociabilis |
| 41 | Roadside Hawk | Rupornis magnirostris |
| Owls: Strigidae |
| 42 | Montane Forest Screech-Owl | Megascops hoyi |
| 43 | Burrowing Owl | Athene cunicularia |
| Kingfishers: Alcedinidae |
| 44 | Ringed Kingfisher | Megaceryle torquata |
| 45 | Green Kingfisher | Chloroceryle americana |
| Woodpeckers: Picidae |
| 46 | White-barred Piculet | Picumnus cirratus |
| 47 | White-fronted Woodpecker | Melanerpes cactorum |
| 48 | Checkered Woodpecker | Veniliornis mixtus |
| 49 | Green-barred Woodpecker | Colaptes melanochloros |
| Seriemas: Cariamidae |
| 50 | Black-legged Seriema | Chunga burmeisteri |
| Falcons and Caracaras: Falconidae |
| 51 | Crested Caracara | Caracara cheriway |
| 52 | Chimango Caracara | Daptrius chimango |
| 53 | American Kestrel | Falco sparverius |
| Parrots: Psittacidae |
| 54 | Gray-hooded Parakeet | Psilopsiagon aymara |
| 55 | Scaly-headed Parrot | Pionus maximiliani |
| 56 | Burrowing Parakeet | Cyanoliseus patagonus |
| 57 | Mitred Parakeet | Psittacara mitratus |
| Ovenbirds and Woodcreepers: Furnariidae |
| 58 | Narrow-billed Woodcreeper | Lepidocolaptes angustirostris |
| 59 | Chaco Earthcreeper | Tarphonomus certhioides |
| 60 | Rufous Hornero | Furnarius rufus |
| 61 | White-winged Cinclodes | Cinclodes atacamensis |
| 62 | Tufted Tit-Spinetail | Leptasthenura platensis |
| 63 | Cordilleran Canastero | Asthenes modesta |
| 64 | Stripe-crowned Spinetail | Cranioleuca pyrrhophia |
| 65 | Sooty-fronted Spinetail | Synallaxis frontalis |
| Cotingas: Cotingidae |
| 66 | White-tipped Plantcutter | Phytotoma rutila |
| Tyrant Flycatchers: Tyrannidae |
| 67 | Cliff Flycatcher | Hirundinea ferruginea |
| 68 | White-crested Tyrannulet | Serpophaga subcristata |
| 69 | Greater Wagtail-Tyrant | Stigmatura budytoides |
| 70 | Black Phoebe | Sayornis nigricans |
| 71 | White-winged Black-Tyrant | Knipolegus aterrimus |
| 72 | Cattle Tyrant | Machetornis rixosa |
| 73 | Great Kiskadee | Pitangus sulphuratus |
| 74 | Tropical Kingbird | Tyrannus melancholicus |
| 75 | Fork-tailed Flycatcher | Tyrannus savana |
| Vireos, Shrike-Babblers, and Erpornis: Vireonidae |
| 76 | Rufous-browed Peppershrike | Cyclarhis gujanensis |
| Crows, Jays, and Magpies: Corvidae |
| 77 | Plush-crested Jay | Cyanocorax chrysops |
| Swallows: Hirundinidae |
| 78 | White-rumped Swallow | Tachycineta leucorrhoa |
| 79 | Southern Martin | Progne elegans |
| 80 | Blue-and-white Swallow | Pygochelidon cyanoleuca |
| Gnatcatchers: Polioptilidae |
| 81 | Masked Gnatcatcher | Polioptila dumicola |
| Wrens: Troglodytidae |
| 82 | Southern House Wren | Troglodytes musculus |
| Mockingbirds and Thrashers: Mimidae |
| 83 | Patagonian Mockingbird | Mimus patagonicus |
| Thrushes and Allies: Turdidae |
| 84 | Chiguanco Thrush | Turdus chiguanco |
| Old World Sparrows: Passeridae |
| 85 | House Sparrow | Passer domesticus |
| Finches, Euphonias, and Allies: Fringillidae |
| 86 | Purple-throated Euphonia | Euphonia chlorotica |
| 87 | Hooded Siskin | Spinus magellanicus |
| New World Sparrows: Passerellidae |
| 88 | Rufous-collared Sparrow | Zonotrichia capensis |
| Troupials and Allies: Icteridae |
| 89 | Variable Oriole | Icterus pyrrhopterus |
| 90 | Screaming Cowbird | Molothrus rufoaxillaris |
| 91 | Shiny Cowbird | Molothrus bonariensis |
| 92 | Grayish Baywing | Agelaioides badius |
| 93 | Chestnut-capped Blackbird | Chrysomus ruficapillus |
| New World Warblers: Parulidae |
| 94 | Tropical Parula | Setophaga pitiayumi |
| Cardinals and Allies: Cardinalidae |
| 95 | Summer Tanager | Piranga rubra |
| 96 | Ultramarine Grosbeak | Cyanoloxia brissonii |
| Tanagers and Allies: Thraupidae |
| 97 | Red-crested Cardinal | Paroaria coronata |
| 98 | Blue-and-yellow Tanager | Rauenia bonariensis |
| 99 | Sayaca Tanager | Thraupis sayaca |
| 100 | Black-crested Finch | Lophospingus pusillus |
| 101 | Ringed Warbling Finch | Poospiza torquata |
| 102 | Black-capped Warbling Finch | Poospiza melanoleuca |
| 103 | Saffron Finch | Sicalis flaveola |
| 104 | Band-tailed Seedeater | Catamenia analis |
| 105 | Red-crested Finch | Coryphospingus cucullatus |
| 106 | Golden-billed Saltator | Saltator aurantiirostris |
Special Birds