| Rheas: Rheidae |
| 1 | Greater Rhea | Rhea americana |
| Tinamous: Tinamidae |
| 2 | Elegant Crested-Tinamou | Eudromia elegans |
| 3 | Darwin's Nothura | Nothura darwinii |
| 4 | Spotted Nothura | Nothura maculosa |
| 5 | Red-winged Tinamou | Rhynchotus rufescens |
| Ducks: Anatidae |
| 6 | White-faced Whistling-Duck | Dendrocygna viduata |
| 7 | Black-necked Swan | Cygnus melancoryphus |
| 8 | Coscoroba Swan | Coscoroba coscoroba |
| 9 | Muscovy Duck | Cairina moschata |
| 10 | Ringed Teal | Callonetta leucophrys |
| 11 | Silver Teal | Spatula versicolor |
| 12 | Cinnamon Teal | Spatula cyanoptera |
| 13 | Red Shoveler | Spatula platalea |
| 14 | Chiloe Wigeon | Mareca sibilatrix |
| 15 | White-cheeked Pintail | Anas bahamensis |
| 16 | Yellow-billed Pintail | Anas georgica |
| 17 | Yellow-billed Teal | Anas flavirostris |
| 18 | Black-headed Duck | Heteronetta atricapilla |
| Pigeons and Doves: Columbidae |
| 19 | Rock Pigeon | Columba livia |
| 20 | Picazuro Pigeon | Patagioenas picazuro |
| 21 | Spot-winged Pigeon | Patagioenas maculosa |
| 22 | Picui Ground Dove | Columbina picui |
| 23 | Eared Dove | Zenaida auriculata |
| Cuckoos: Cuculidae |
| 24 | Guira Cuckoo | Guira guira |
| Hummingbirds: Trochilidae |
| 25 | Glittering-bellied Emerald | Chlorostilbon lucidus |
| Rails, Gallinules, and Coots: Rallidae |
| 26 | Plumbeous Rail | Pardirallus sanguinolentus |
| 27 | Red-fronted Coot | Fulica rufifrons |
| 28 | Red-gartered Coot | Fulica armillata |
| 29 | White-winged Coot | Fulica leucoptera |
| Stilts and Avocets: Recurvirostridae |
| 30 | Black-necked Stilt | Himantopus mexicanus |
| Oystercatchers: Haematopodidae |
| 31 | American Oystercatcher | Haematopus palliatus |
| Plovers and Lapwings: Charadriidae |
| 32 | American Golden-Plover | Pluvialis dominica |
| 33 | Semipalmated Plover | Charadrius semipalmatus |
| 34 | Southern Lapwing | Vanellus chilensis |
| 35 | Collared Plover | Anarhynchus collaris |
| 36 | Two-banded Plover | Anarhynchus falklandicus |
| Sandpipers and Allies: Scolopacidae |
| 37 | Hudsonian Godwit | Limosa haemastica |
| 38 | Lesser Yellowlegs | Tringa flavipes |
| 39 | Greater Yellowlegs | Tringa melanoleuca |
| 40 | Sanderling | Calidris alba |
| 41 | Baird's Sandpiper | Calidris bairdii |
| 42 | White-rumped Sandpiper | Calidris fuscicollis |
| Gulls, Terns, and Skimmers: Laridae |
| 43 | Brown-hooded Gull | Chroicocephalus maculipennis |
| 44 | Olrog's Gull | Larus atlanticus |
| 45 | Kelp Gull | Larus dominicanus |
| 46 | Black Skimmer | Rynchops niger |
| 47 | Gull-billed Tern | Gelochelidon nilotica |
| 48 | Snowy-crowned Tern | Sterna trudeaui |
| 49 | South American Tern | Sterna hirundinacea |
| 50 | Common Tern | Sterna hirundo |
| 51 | Sandwich Tern | Thalasseus sandvicensis |
| 52 | Royal Tern | Thalasseus maximus |
| Flamingos: Phoenicopteridae |
| 53 | Chilean Flamingo | Phoenicopterus chilensis |
| Grebes: Podicipedidae |
| 54 | White-tufted Grebe | Rollandia rolland |
| 55 | Great Grebe | Podiceps major |
| Cormorants and Shags: Phalacrocoracidae |
| 56 | Neotropic Cormorant | Nannopterum brasilianus |
| Ibises and Spoonbills: Threskiornithidae |
| 57 | White-faced Ibis | Plegadis chihi |
| 58 | Black-faced Ibis | Theristicus melanopis |
| 59 | Roseate Spoonbill | Platalea ajaja |
| Herons, Egrets, and Bitterns: Ardeidae |
| 60 | Black-crowned Night Heron | Nycticorax nycticorax |
| 61 | Whistling Heron | Syrigma sibilatrix |
| 62 | Snowy Egret | Egretta thula |
| 63 | Western Cattle-Egret | Bubulcus ibis |
| 64 | Great Egret | Ardea alba |
| 65 | Cocoi Heron | Ardea cocoi |
| New World Vultures: Cathartidae |
| 66 | Black Vulture | Coragyps atratus |
| 67 | Turkey Vulture | Cathartes aura |
| Hawks, Eagles, and Kites: Accipitridae |
| 68 | White-tailed Kite | Elanus leucurus |
| 69 | Long-winged Harrier | Circus buffoni |
| 70 | Cinereous Harrier | Circus cinereus |
| 71 | Roadside Hawk | Rupornis magnirostris |
| 72 | Harris's Hawk | Parabuteo unicinctus |
| 73 | Variable Hawk | Geranoaetus polyosoma |
| 74 | Black-chested Buzzard-Eagle | Geranoaetus melanoleucus |
| Owls: Strigidae |
| 75 | Burrowing Owl | Athene cunicularia |
| 76 | Short-eared Owl | Asio flammeus |
| Kingfishers: Alcedinidae |
| 77 | Ringed Kingfisher | Megaceryle torquata |
| 78 | Green Kingfisher | Chloroceryle americana |
| Woodpeckers: Picidae |
| 79 | Green-barred Woodpecker | Colaptes melanochloros |
| 80 | Campo Flicker | Colaptes campestris |
| Falcons and Caracaras: Falconidae |
| 81 | Crested Caracara | Caracara cheriway |
| 82 | Chimango Caracara | Daptrius chimango |
| 83 | American Kestrel | Falco sparverius |
| 84 | Aplomado Falcon | Falco femoralis |
| Parrots: Psittacidae |
| 85 | Monk Parakeet | Myiopsitta monachus |
| 86 | Burrowing Parakeet | Cyanoliseus patagonus |
| 87 | Blue-crowned Parakeet | Thectocercus acuticaudatus |
| Tapaculos: Rhinocryptidae |
| 88 | Crested Gallito | Rhinocrypta lanceolata |
| Ovenbirds and Woodcreepers: Furnariidae |
| 89 | Chaco Earthcreeper | Tarphonomus certhioides |
| 90 | Rufous Hornero | Furnarius rufus |
| 91 | Wren-like Rushbird | Phleocryptes melanops |
| 92 | Scale-throated Earthcreeper | Upucerthia dumetaria |
| 93 | Buff-winged Cinclodes | Cinclodes fuscus |
| 94 | Tufted Tit-Spinetail | Leptasthenura platensis |
| 95 | Firewood-gatherer | Anumbius annumbi |
| 96 | Lark-like Brushrunner | Coryphistera alaudina |
| 97 | Short-billed Canastero | Asthenes baeri |
| 98 | Sharp-billed Canastero | Asthenes pyrrholeuca |
| Cotingas: Cotingidae |
| 99 | White-tipped Plantcutter | Phytotoma rutila |
| Tyrant Flycatchers: Tyrannidae |
| 100 | Many-colored Rush Tyrant | Tachuris rubrigastra |
| 101 | Tufted Tit-Tyrant | Anairetes parulus |
| 102 | Sooty Tyrannulet | Serpophaga nigricans |
| 103 | White-crested Tyrannulet | Serpophaga subcristata |
| 104 | Greater Wagtail-Tyrant | Stigmatura budytoides |
| 105 | Bran-colored Flycatcher | Myiophobus fasciatus |
| 106 | Vermilion Flycatcher | Pyrocephalus rubinus |
| 107 | Austral Negrito | Lessonia rufa |
| 108 | Spectacled Tyrant | Hymenops perspicillatus |
| 109 | Dark-faced Ground-Tyrant | Muscisaxicola maclovianus |
| 110 | White Monjita | Xolmis irupero |
| 111 | Black-crowned Monjita | Neoxolmis coronatus |
| 112 | Gray-bellied Shrike-Tyrant | Agriornis micropterus |
| 113 | Lesser Shrike-Tyrant | Agriornis murinus |
| 114 | Cattle Tyrant | Machetornis rixosa |
| 115 | Great Kiskadee | Pitangus sulphuratus |
| 116 | Crowned Slaty Flycatcher | Empidonomus aurantioatrocristatus |
| 117 | Tropical Kingbird | Tyrannus melancholicus |
| 118 | Fork-tailed Flycatcher | Tyrannus savana |
| Swallows: Hirundinidae |
| 119 | Bank Swallow | Riparia riparia |
| 120 | White-rumped Swallow | Tachycineta leucorrhoa |
| 121 | Chilean Swallow | Tachycineta leucopyga |
| 122 | Southern Martin | Progne elegans |
| 123 | Brown-chested Martin | Progne tapera |
| 124 | Blue-and-white Swallow | Pygochelidon cyanoleuca |
| 125 | Barn Swallow | Hirundo rustica |
| Wrens: Troglodytidae |
| 126 | Southern House Wren | Troglodytes musculus |
| 127 | Grass Wren | Cistothorus platensis |
| Starlings: Sturnidae |
| 128 | European Starling | Sturnus vulgaris |
| Mockingbirds and Thrashers: Mimidae |
| 129 | Patagonian Mockingbird | Mimus patagonicus |
| 130 | Chalk-browed Mockingbird | Mimus saturninus |
| 131 | White-banded Mockingbird | Mimus triurus |
| Thrushes and Allies: Turdidae |
| 132 | Austral Thrush | Turdus falcklandii |
| 133 | Rufous-bellied Thrush | Turdus rufiventris |
| Old World Sparrows: Passeridae |
| 134 | House Sparrow | Passer domesticus |
| Wagtails and Pipits: Motacillidae |
| 135 | Short-billed Pipit | Anthus furcatus |
| 136 | Correndera Pipit | Anthus correndera |
| 137 | Hellmayr's Pipit | Anthus hellmayri |
| Finches, Euphonias, and Allies: Fringillidae |
| 138 | Hooded Siskin | Spinus magellanicus |
| New World Sparrows: Passerellidae |
| 139 | Grassland Sparrow | Ammodramus humeralis |
| 140 | Rufous-collared Sparrow | Zonotrichia capensis |
| Troupials and Allies: Icteridae |
| 141 | Long-tailed Meadowlark | Leistes loyca |
| 142 | Screaming Cowbird | Molothrus rufoaxillaris |
| 143 | Shiny Cowbird | Molothrus bonariensis |
| 144 | Grayish Baywing | Agelaioides badius |
| 145 | Yellow-winged Blackbird | Agelasticus thilius |
| Tanagers and Allies: Thraupidae |
| 146 | Red-crested Cardinal | Paroaria coronata |
| 147 | Yellow-billed Cardinal | Paroaria capitata |
| 148 | Blue-and-yellow Tanager | Rauenia bonariensis |
| 149 | Mourning Sierra Finch | Rhopospina fruticeti |
| 150 | Ringed Warbling Finch | Poospiza torquata |
| 151 | Saffron Finch | Sicalis flaveola |
| 152 | Grassland Yellow-Finch | Sicalis luteola |
| 153 | Great Pampa-Finch | Embernagra platensis |
Special Birds