| Ducks: Anatidae |
| 1 | White-cheeked Pintail | Anas bahamensis |
| Pigeons and Doves: Columbidae |
| 2 | Rock Pigeon | Columba livia |
| 3 | Picazuro Pigeon | Patagioenas picazuro |
| 4 | Spot-winged Pigeon | Patagioenas maculosa |
| 5 | Picui Ground Dove | Columbina picui |
| 6 | Black-winged Ground Dove | Metriopelia melanoptera |
| 7 | White-tipped Dove | Leptotila verreauxi |
| 8 | Eared Dove | Zenaida auriculata |
| Cuckoos: Cuculidae |
| 9 | Guira Cuckoo | Guira guira |
| 10 | Dark-billed Cuckoo | Coccyzus melacoryphus |
| Nightjars and Allies: Caprimulgidae |
| 11 | Scissor-tailed Nightjar | Hydropsalis torquata |
| Swifts: Apodidae |
| 12 | White-collared Swift | Streptoprocne zonaris |
| 13 | Andean Swift | Aeronautes andecolus |
| Hummingbirds: Trochilidae |
| 14 | Red-tailed Comet | Sappho sparganurus |
| 15 | Glittering-bellied Emerald | Chlorostilbon lucidus |
| 16 | Gilded Hummingbird | Hylocharis chrysura |
| Rails, Gallinules, and Coots: Rallidae |
| 17 | Plumbeous Rail | Pardirallus sanguinolentus |
| 18 | Common Gallinule | Gallinula galeata |
| 19 | Red-gartered Coot | Fulica armillata |
| 20 | Slate-colored Coot | Fulica ardesiaca |
| Stilts and Avocets: Recurvirostridae |
| 21 | Black-necked Stilt | Himantopus mexicanus |
| Plovers and Lapwings: Charadriidae |
| 22 | Southern Lapwing | Vanellus chilensis |
| 23 | Andean Lapwing | Vanellus resplendens |
| Storks: Ciconiidae |
| 24 | Wood Stork | Mycteria americana |
| Anhingas: Anhingidae |
| 25 | Anhinga | Anhinga anhinga |
| Cormorants and Shags: Phalacrocoracidae |
| 26 | Neotropic Cormorant | Nannopterum brasilianus |
| Ibises and Spoonbills: Threskiornithidae |
| 27 | Buff-necked Ibis | Theristicus caudatus |
| Herons, Egrets, and Bitterns: Ardeidae |
| 28 | Black-crowned Night Heron | Nycticorax nycticorax |
| 29 | Whistling Heron | Syrigma sibilatrix |
| 30 | Snowy Egret | Egretta thula |
| 31 | Western Cattle-Egret | Bubulcus ibis |
| 32 | Great Egret | Ardea alba |
| 33 | Cocoi Heron | Ardea cocoi |
| New World Vultures: Cathartidae |
| 34 | Andean Condor | Vultur gryphus |
| 35 | Black Vulture | Coragyps atratus |
| 36 | Turkey Vulture | Cathartes aura |
| Hawks, Eagles, and Kites: Accipitridae |
| 37 | Cinereous Harrier | Circus cinereus |
| 38 | Roadside Hawk | Rupornis magnirostris |
| 39 | Harris's Hawk | Parabuteo unicinctus |
| 40 | Variable Hawk | Geranoaetus polyosoma |
| 41 | Black-chested Buzzard-Eagle | Geranoaetus melanoleucus |
| Owls: Strigidae |
| 42 | Burrowing Owl | Athene cunicularia |
| 43 | Chaco Owl | Strix chacoensis |
| Puffbirds: Bucconidae |
| 44 | Spot-backed Puffbird | Nystalus maculatus |
| Woodpeckers: Picidae |
| 45 | White-fronted Woodpecker | Melanerpes cactorum |
| 46 | Checkered Woodpecker | Veniliornis mixtus |
| 47 | Green-barred Woodpecker | Colaptes melanochloros |
| Seriemas: Cariamidae |
| 48 | Black-legged Seriema | Chunga burmeisteri |
| Falcons and Caracaras: Falconidae |
| 49 | Crested Caracara | Caracara cheriway |
| 50 | Chimango Caracara | Daptrius chimango |
| 51 | American Kestrel | Falco sparverius |
| 52 | Aplomado Falcon | Falco femoralis |
| 53 | Peregrine Falcon | Falco peregrinus |
| Parrots: Psittacidae |
| 54 | Gray-hooded Parakeet | Psilopsiagon aymara |
| 55 | Monk Parakeet | Myiopsitta monachus |
| 56 | Burrowing Parakeet | Cyanoliseus patagonus |
| 57 | Mitred Parakeet | Psittacara mitratus |
| Tapaculos: Rhinocryptidae |
| 58 | Crested Gallito | Rhinocrypta lanceolata |
| 59 | Sandy Gallito | Teledromas fuscus |
| Ovenbirds and Woodcreepers: Furnariidae |
| 60 | Rufous-banded Miner | Geositta rufipennis |
| 61 | Olivaceous Woodcreeper | Sittasomus griseicapillus |
| 62 | Straight-billed Earthcreeper | Ochetorhynchus ruficaudus |
| 63 | Chaco Earthcreeper | Tarphonomus certhioides |
| 64 | Rufous Hornero | Furnarius rufus |
| 65 | Scale-throated Earthcreeper | Upucerthia dumetaria |
| 66 | Cream-winged Cinclodes | Cinclodes albiventris |
| 67 | White-winged Cinclodes | Cinclodes atacamensis |
| 68 | Brown-capped Tit-Spinetail | Leptasthenura fuliginiceps |
| 69 | Tufted Tit-Spinetail | Leptasthenura platensis |
| 70 | Plain-mantled Tit-Spinetail | Leptasthenura aegithaloides |
| 71 | Streak-fronted Thornbird | Phacellodomus striaticeps |
| 72 | Rusty-vented Canastero | Asthenes dorbignyi |
| 73 | Stripe-crowned Spinetail | Cranioleuca pyrrhophia |
| 74 | Steinbach's Canastero | Pseudasthenes steinbachi |
| 75 | White-throated Cacholote | Pseudoseisura gutturalis |
| Cotingas: Cotingidae |
| 76 | White-tipped Plantcutter | Phytotoma rutila |
| Tyrant Flycatchers: Tyrannidae |
| 77 | Cliff Flycatcher | Hirundinea ferruginea |
| 78 | Southern Beardless-Tyrannulet | Camptostoma obsoletum |
| 79 | White-throated Tyrannulet | Mecocerculus leucophrys |
| 80 | Yellow-billed Tit-Tyrant | Anairetes flavirostris |
| 81 | Tufted Tit-Tyrant | Anairetes parulus |
| 82 | White-crested Tyrannulet | Serpophaga subcristata |
| 83 | Greater Wagtail-Tyrant | Stigmatura budytoides |
| 84 | White-winged Black-Tyrant | Knipolegus aterrimus |
| 85 | Spectacled Tyrant | Hymenops perspicillatus |
| 86 | Yellow-browed Tyrant | Satrapa icterophrys |
| 87 | Spot-billed Ground-Tyrant | Muscisaxicola maculirostris |
| 88 | Rufous-naped Ground-Tyrant | Muscisaxicola rufivertex |
| 89 | White-browed Ground-Tyrant | Muscisaxicola albilora |
| 90 | White Monjita | Xolmis irupero |
| 91 | Black-crowned Monjita | Neoxolmis coronatus |
| 92 | Black-billed Shrike-Tyrant | Agriornis montanus |
| 93 | d'Orbigny's Chat-Tyrant | Ochthoeca oenanthoides |
| 94 | White-browed Chat-Tyrant | Ochthoeca leucophrys |
| 95 | Cattle Tyrant | Machetornis rixosa |
| 96 | Great Kiskadee | Pitangus sulphuratus |
| 97 | Tropical Kingbird | Tyrannus melancholicus |
| 98 | Fork-tailed Flycatcher | Tyrannus savana |
| Vireos, Shrike-Babblers, and Erpornis: Vireonidae |
| 99 | Chivi Vireo | Vireo chiri |
| Swallows: Hirundinidae |
| 100 | Southern Martin | Progne elegans |
| 101 | Blue-and-white Swallow | Pygochelidon cyanoleuca |
| 102 | Barn Swallow | Hirundo rustica |
| Gnatcatchers: Polioptilidae |
| 103 | Masked Gnatcatcher | Polioptila dumicola |
| Wrens: Troglodytidae |
| 104 | Southern House Wren | Troglodytes musculus |
| 105 | Grass Wren | Cistothorus platensis |
| Dippers: Cinclidae |
| 106 | Rufous-throated Dipper | Cinclus schulzii |
| Mockingbirds and Thrashers: Mimidae |
| 107 | Patagonian Mockingbird | Mimus patagonicus |
| 108 | White-banded Mockingbird | Mimus triurus |
| Thrushes and Allies: Turdidae |
| 109 | Andean Slaty-Thrush | Turdus nigriceps |
| 110 | Chiguanco Thrush | Turdus chiguanco |
| 111 | Creamy-bellied Thrush | Turdus amaurochalinus |
| Old World Sparrows: Passeridae |
| 112 | House Sparrow | Passer domesticus |
| Finches, Euphonias, and Allies: Fringillidae |
| 113 | Purple-throated Euphonia | Euphonia chlorotica |
| 114 | Hooded Siskin | Spinus magellanicus |
| New World Sparrows: Passerellidae |
| 115 | Rufous-collared Sparrow | Zonotrichia capensis |
| Troupials and Allies: Icteridae |
| 116 | Long-tailed Meadowlark | Leistes loyca |
| 117 | Variable Oriole | Icterus pyrrhopterus |
| 118 | Screaming Cowbird | Molothrus rufoaxillaris |
| 119 | Shiny Cowbird | Molothrus bonariensis |
| 120 | Grayish Baywing | Agelaioides badius |
| Cardinals and Allies: Cardinalidae |
| 121 | Hepatic Tanager | Piranga flava |
| 122 | Ultramarine Grosbeak | Cyanoloxia brissonii |
| Tanagers and Allies: Thraupidae |
| 123 | Blue-and-yellow Tanager | Rauenia bonariensis |
| 124 | Sayaca Tanager | Thraupis sayaca |
| 125 | Black-hooded Sierra Finch | Phrygilus atriceps |
| 126 | Gray-hooded Sierra Finch | Phrygilus gayi |
| 127 | Ash-breasted Sierra Finch | Geospizopsis plebejus |
| 128 | Black-crested Finch | Lophospingus pusillus |
| 129 | Band-tailed Sierra Finch | Porphyrospiza alaudinus |
| 130 | Mourning Sierra Finch | Rhopospina fruticeti |
| 131 | Cinnamon Warbling Finch | Poospiza ornata |
| 132 | Ringed Warbling Finch | Poospiza torquata |
| 133 | Black-capped Warbling Finch | Poospiza melanoleuca |
| 134 | Rufous-sided Warbling Finch | Poospizopsis hypochondria |
| 135 | Greenish Yellow-Finch | Sicalis olivascens |
| 136 | Monte Yellow-Finch | Sicalis mendozae |
| 137 | Saffron Finch | Sicalis flaveola |
| 138 | Great Pampa-Finch | Embernagra platensis |
| 139 | Double-collared Seedeater | Sporophila caerulescens |
| 140 | Band-tailed Seedeater | Catamenia analis |
| 141 | Plain-colored Seedeater | Catamenia inornata |
| 142 | Many-colored Chaco Finch | Saltatricula multicolor |
| 143 | Golden-billed Saltator | Saltator aurantiirostris |
Special Birds