Least Seedsnipe
Wattled Jacana
Upland Sandpiper
Pantanal Snipe
Baird's Sandpiper
Gulls, Terns, and Skimmers
Brown-hooded Gull
Gray-hooded Gull
Large-billed Tern
Sterna sp.
Storks
Maguari Stork
Wood Stork
Cormorants and Anhingas
Neotropic Cormorant
Herons, Ibis, and Allies
Rufescent Tiger-Heron
Pinnated Bittern
Black-crowned Night Heron
Whistling Heron
Snowy Egret
Striated Heron
Western Cattle Egret
Great Egret
Cocoi Heron
White-faced Ibis
Bare-faced Ibis
Plumbeous Ibis
Roseate Spoonbill
Vultures, Hawks, and Allies
Black Vulture
Turkey Vulture
Osprey
White-tailed Kite
Snail Kite
Long-winged Harrier
Sharp-shinned Hawk
Bicolored Hawk
Crane Hawk
Savanna Hawk
Roadside Hawk
Harris's Hawk
White-tailed Hawk
Owls
Barn Owl
Tropical Screech-Owl
Great Horned Owl
Burrowing Owl
Striped Owl
Kingfishers
Ringed Kingfisher
Amazon Kingfisher
Green Kingfisher
Woodpeckers
White-barred Piculet
White Woodpecker
White-fronted Woodpecker
White-spotted Woodpecker
Checkered Woodpecker
Cream-backed Woodpecker
Green-barred Woodpecker
Campo Flicker
Falcons and Caracaras
Crested Caracara
Yellow-headed Caracara
Chimango Caracara
American Kestrel
Aplomado Falcon
Peregrine Falcon
Parrots, Parakeets, and Allies
Monk Parakeet
Antbirds
Great Antshrike
Rufous-capped Antshrike
Variable Antshrike
Woodcreepers
Scimitar-billed Woodcreeper
Narrow-billed Woodcreeper
Ovenbirds
Rufous Hornero
Wren-like Rushbird
Curve-billed Reedhaunter
Buff-winged Cinclodes
Buff-browed Foliage-gleaner
Little Thornbird
Freckle-breasted Thornbird
Firewood-gatherer
Lark-like Brushrunner
Stripe-crowned Spinetail
Brown Cacholote
Yellow-chinned Spinetail
Chotoy Spinetail
Spix's Spinetail
Pale-breasted Spinetail
Sooty-fronted Spinetail
Cotingas
White-tipped Plantcutter
Becards, Tityras, and Allies
White-winged Becard
Tyrant Flycatchers: Elaenias, Tyrannulets, and Allies
Many-colored Rush Tyrant
Mottle-cheeked Tyrannulet
Pearly-vented Tody-Tyrant
Southern Beardless-Tyrannulet
Suiriri Flycatcher
Warbling Doradito
Ticking Doradito
Small-billed Elaenia
Large Elaenia
White-crested Tyrannulet
White-crested/Straneck's Tyrannulet
Fulvous-crowned Scrub-Tyrant
Tyrant Flycatchers: Pewees, Kingbirds, and Allies
Bran-colored Flycatcher
Euler's Flycatcher
Southern Scrub-Flycatcher
Vermilion Flycatcher
Austral Negrito
Blue-billed Black-Tyrant
Spectacled Tyrant
White Monjita
Gray Monjita
Black-crowned Monjita
Rufous Casiornis
Swainson's Flycatcher
Cattle Tyrant
Great Kiskadee
Streaked Flycatcher
Crowned Slaty Flycatcher
Tropical Kingbird
Fork-tailed Flycatcher
Vireos
Rufous-browed Peppershrike
Chivi Vireo
Jays, Magpies, Crows, and Ravens
Plush-crested Jay
Martins and Swallows
White-rumped Swallow
Chilean Swallow
Gray-breasted Martin
Southern Martin
Brown-chested Martin
Southern Rough-winged Swallow
Blue-and-white Swallow
Gnatcatchers
Masked Gnatcatcher
Wrens
House Wren
Starlings and Mynas
European Starling
Catbirds, Mockingbirds, and Thrashers
Chalk-browed Mockingbird
White-banded Mockingbird
Thrushes
Rufous-bellied Thrush
Creamy-bellied Thrush
Old World Sparrows
House Sparrow
Wagtails and Pipits
Yellowish Pipit
Finches, Euphonias, and Allies
Hooded Siskin
New World Sparrows
Grassland Sparrow
Rufous-collared Sparrow
Blackbirds
White-browed Meadowlark
Solitary Black Cacique
Variable Oriole
Screaming Cowbird
Shiny Cowbird
Scarlet-headed Blackbird
Chopi Blackbird
Grayish Baywing
Unicolored Blackbird
Yellow-winged Blackbird
Chestnut-capped Blackbird
Yellow-rumped Marshbird
Brown-and-yellow Marshbird
Wood-Warblers
Southern Yellowthroat
Tropical Parula
Golden-crowned Warbler
White-browed Warbler
Cardinals, Grosbeaks, and Allies
Hepatic Tanager
Glaucous-blue Grosbeak
Ultramarine Grosbeak
Tanagers and Allies
Red-crested Cardinal
Yellow-billed Cardinal
Gray-throated Warbling Finch
Black-capped Warbling Finch
Diademed Tanager
Blue-and-yellow Tanager
Sayaca Tanager
Chestnut-backed Tanager
Long-tailed Reed Finch
Black-and-rufous Warbling Finch
Saffron Finch
Grassland Yellow-Finch
Great Pampa-Finch
Blue-black Grassquit
Tawny-bellied Seedeater
Dark-throated Seedeater
Marsh Seedeater
Double-collared Seedeater
Rusty-collared Seedeater
Red-crested Finch
Bluish-gray Saltator
Green-winged Saltator
Golden-billed Saltator