| Tinamous: Tinamidae |
| 1 | Elegant Crested-Tinamou | Eudromia elegans |
| 2 | Brushland Tinamou | Nothoprocta cinerascens |
| Pigeons and Doves: Columbidae |
| 3 | Rock Pigeon | Columba livia |
| 4 | Picazuro Pigeon | Patagioenas picazuro |
| 5 | Spot-winged Pigeon | Patagioenas maculosa |
| 6 | Picui Ground Dove | Columbina picui |
| 7 | White-tipped Dove | Leptotila verreauxi |
| 8 | Eared Dove | Zenaida auriculata |
| Cuckoos: Cuculidae |
| 9 | Guira Cuckoo | Guira guira |
| Nightjars and Allies: Caprimulgidae |
| 10 | Scissor-tailed Nightjar | Hydropsalis torquata |
| Hummingbirds: Trochilidae |
| 11 | Red-tailed Comet | Sappho sparganurus |
| 12 | Glittering-bellied Emerald | Chlorostilbon lucidus |
| Plovers and Lapwings: Charadriidae |
| 13 | Southern Lapwing | Vanellus chilensis |
| Sandpipers and Allies: Scolopacidae |
| 14 | Upland Sandpiper | Bartramia longicauda |
| New World Vultures: Cathartidae |
| 15 | Black Vulture | Coragyps atratus |
| 16 | Turkey Vulture | Cathartes aura |
| Hawks, Eagles, and Kites: Accipitridae |
| 17 | White-tailed Kite | Elanus leucurus |
| 18 | Sharp-shinned Hawk | Accipiter striatus |
| 19 | Solitary Eagle | Buteogallus solitarius |
| 20 | Roadside Hawk | Rupornis magnirostris |
| 21 | Variable Hawk | Geranoaetus polyosoma |
| 22 | Black-chested Buzzard-Eagle | Geranoaetus melanoleucus |
| Barn-Owls: Tytonidae |
| 23 | American Barn Owl | Tyto furcata |
| Owls: Strigidae |
| 24 | Tropical Screech-Owl | Megascops choliba |
| 25 | Ferruginous Pygmy-Owl | Glaucidium brasilianum |
| 26 | Burrowing Owl | Athene cunicularia |
| Puffbirds: Bucconidae |
| 27 | Spot-backed Puffbird | Nystalus maculatus |
| Woodpeckers: Picidae |
| 28 | White-fronted Woodpecker | Melanerpes cactorum |
| 29 | Checkered Woodpecker | Veniliornis mixtus |
| 30 | Green-barred Woodpecker | Colaptes melanochloros |
| Falcons and Caracaras: Falconidae |
| 31 | Spot-winged Falconet | Spiziapteryx circumcincta |
| 32 | Crested Caracara | Caracara cheriway |
| 33 | Chimango Caracara | Daptrius chimango |
| 34 | American Kestrel | Falco sparverius |
| 35 | Aplomado Falcon | Falco femoralis |
| Parrots: Psittacidae |
| 36 | Monk Parakeet | Myiopsitta monachus |
| 37 | Blue-crowned Parakeet | Thectocercus acuticaudatus |
| Typical Antbirds: Thamnophilidae |
| 38 | Variable Antshrike | Thamnophilus caerulescens |
| Ovenbirds and Woodcreepers: Furnariidae |
| 39 | Scimitarbilled Woodcreeper | Drymornis bridgesii |
| 40 | Chaco Earthcreeper | Tarphonomus certhioides |
| 41 | Rufous Hornero | Furnarius rufus |
| 42 | Crested Hornero | Furnarius cristatus |
| 43 | Little Thornbird | Phacellodomus sibilatrix |
| 44 | Lark-like Brushrunner | Coryphistera alaudina |
| 45 | Short-billed Canastero | Asthenes baeri |
| 46 | Stripe-crowned Spinetail | Cranioleuca pyrrhophia |
| Cotingas: Cotingidae |
| 47 | White-tipped Plantcutter | Phytotoma rutila |
| Tyrant Flycatchers: Tyrannidae |
| 48 | Suiriri Flycatcher | Suiriri suiriri |
| 49 | Pearly-vented Tody-Tyrant | Hemitriccus margaritaceiventer |
| 50 | Cliff Flycatcher | Hirundinea ferruginea |
| 51 | Warbling Doradito | Pseudocolopteryx flaviventris |
| 52 | White-crested Elaenia | Elaenia albiceps |
| 53 | Greater Wagtail-Tyrant | Stigmatura budytoides |
| 54 | Southern Scrub-Flycatcher | Sublegatus modestus |
| 55 | Cinereous Tyrant | Knipolegus striaticeps |
| 56 | White-winged Black-Tyrant | Knipolegus aterrimus |
| 57 | White Monjita | Xolmis irupero |
| 58 | Black-crowned Monjita | Neoxolmis coronatus |
| 59 | Gray-bellied Shrike-Tyrant | Agriornis micropterus |
| 60 | Lesser Shrike-Tyrant | Agriornis murinus |
| 61 | Brown-crested Flycatcher | Myiarchus tyrannulus |
| 62 | Cattle Tyrant | Machetornis rixosa |
| 63 | Great Kiskadee | Pitangus sulphuratus |
| 64 | Streaked Flycatcher | Myiodynastes maculatus |
| 65 | Crowned Slaty Flycatcher | Empidonomus aurantioatrocristatus |
| 66 | Fork-tailed Flycatcher | Tyrannus savana |
| Vireos, Shrike-Babblers, and Erpornis: Vireonidae |
| 67 | Rufous-browed Peppershrike | Cyclarhis gujanensis |
| Swallows: Hirundinidae |
| 68 | Brown-chested Martin | Progne tapera |
| Gnatcatchers: Polioptilidae |
| 69 | Masked Gnatcatcher | Polioptila dumicola |
| Wrens: Troglodytidae |
| 70 | Southern House Wren | Troglodytes musculus |
| Mockingbirds and Thrashers: Mimidae |
| 71 | Chalk-browed Mockingbird | Mimus saturninus |
| 72 | White-banded Mockingbird | Mimus triurus |
| Thrushes and Allies: Turdidae |
| 73 | Chiguanco Thrush | Turdus chiguanco |
| 74 | Rufous-bellied Thrush | Turdus rufiventris |
| Old World Sparrows: Passeridae |
| 75 | House Sparrow | Passer domesticus |
| Finches, Euphonias, and Allies: Fringillidae |
| 76 | Purple-throated Euphonia | Euphonia chlorotica |
| New World Sparrows: Passerellidae |
| 77 | Chaco Sparrow | Rhynchospiza strigiceps |
| 78 | Rufous-collared Sparrow | Zonotrichia capensis |
| Troupials and Allies: Icteridae |
| 79 | Shiny Cowbird | Molothrus bonariensis |
| 80 | Grayish Baywing | Agelaioides badius |
| New World Warblers: Parulidae |
| 81 | Brown-capped Redstart | Myioborus brunniceps |
| Cardinals and Allies: Cardinalidae |
| 82 | Summer Tanager | Piranga rubra |
| 83 | Ultramarine Grosbeak | Cyanoloxia brissonii |
| Tanagers and Allies: Thraupidae |
| 84 | Blue-and-yellow Tanager | Rauenia bonariensis |
| 85 | Black-crested Finch | Lophospingus pusillus |
| 86 | Cinnamon Warbling Finch | Poospiza ornata |
| 87 | Black-and-chestnut Warbling Finch | Poospiza whitii |
| 88 | Ringed Warbling Finch | Poospiza torquata |
| 89 | Black-capped Warbling Finch | Poospiza melanoleuca |
| 90 | Saffron Finch | Sicalis flaveola |
| 91 | Great Pampa-Finch | Embernagra platensis |
| 92 | Red-crested Finch | Coryphospingus cucullatus |
| 93 | Many-colored Chaco Finch | Saltatricula multicolor |
| 94 | Golden-billed Saltator | Saltator aurantiirostris |
Special Birds