Limpkin
Limpkin
Shorebirds
Black-necked Stilt
Southern Lapwing
Wattled Jacana
Upland Sandpiper
Pantanal Snipe
Solitary Sandpiper
Lesser Yellowlegs
Greater Yellowlegs
White-rumped Sandpiper
Pectoral Sandpiper
Gulls, Terns, and Skimmers
Brown-hooded Gull
Gray-hooded Gull
gull sp.
Black Skimmer
Large-billed Tern
Snowy-crowned Tern
Storks
Maguari Stork
Wood Stork
Cormorants and Anhingas
Neotropic Cormorant
Herons, Ibis, and Allies
Rufescent Tiger-Heron
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
White-tailed Kite
Snail Kite
Long-winged Harrier
Sharp-shinned Hawk
Savanna Hawk
Roadside Hawk
Harris's Hawk
White-tailed Hawk
Swainson's Hawk
Owls
Ferruginous Pygmy-Owl
Striped Owl
Kingfishers
Ringed Kingfisher
Green Kingfisher
Woodpeckers
White-barred Piculet
White Woodpecker
White-fronted Woodpecker
Checkered Woodpecker
Green-barred Woodpecker
Campo Flicker
Falcons and Caracaras
Crested Caracara
Chimango Caracara
American Kestrel
Aplomado Falcon
Peregrine Falcon
Parrots, Parakeets, and Allies
Monk Parakeet
Burrowing Parakeet
Nanday Parakeet
Antbirds
Rufous-capped Antshrike
Variable Antshrike
Woodcreepers
Narrow-billed Woodcreeper
Ovenbirds
Rufous Hornero
Wren-like Rushbird
Curve-billed Reedhaunter
Buff-winged Cinclodes
Buff-browed Foliage-gleaner
Tufted Tit-Spinetail
Freckle-breasted Thornbird
Greater Thornbird
Firewood-gatherer
Short-billed Canastero
Straight-billed Reedhaunter
Sulphur-bearded Reedhaunter
Stripe-crowned Spinetail
Bay-capped Wren-Spinetail
Yellow-chinned Spinetail
Chotoy Spinetail
Spix's Spinetail
Sooty-fronted Spinetail
Cotingas
White-tipped Plantcutter
Becards, Tityras, and Allies
White-naped Xenopsaris
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
Warbling/Ticking Doradito
Small-billed Elaenia
Large Elaenia
White-crested Elaenia
Sooty Tyrannulet
White-crested Tyrannulet
White-crested/Straneck's Tyrannulet
Fulvous-crowned Scrub-Tyrant
Tyrant Flycatchers: Pewees, Kingbirds, and Allies
Bran-colored Flycatcher
Vermilion Flycatcher
Austral Negrito
Blue-billed Black-Tyrant
White-winged Black-Tyrant
Spectacled Tyrant
Yellow-browed Tyrant
White Monjita
Gray Monjita
Black-backed Water-Tyrant
Swainson's Flycatcher
Cattle Tyrant
Great Kiskadee
Streaked Flycatcher
Variegated Flycatcher
Crowned Slaty Flycatcher
Tropical Kingbird
Fork-tailed Flycatcher
Vireos
Rufous-browed Peppershrike
Chivi Vireo
Martins and Swallows
Bank Swallow
White-rumped Swallow
Chilean Swallow
White-rumped/Chilean Swallow
Gray-breasted Martin
Southern Martin
Brown-chested Martin
Southern Rough-winged Swallow
Blue-and-white Swallow
Tawny-headed Swallow
Barn Swallow
Cliff Swallow
Gnatcatchers
Masked Gnatcatcher
Wrens
House Wren
Grass Wren
Starlings and Mynas
European Starling
Catbirds, Mockingbirds, and Thrashers
Patagonian Mockingbird
Chalk-browed Mockingbird
White-banded Mockingbird
Thrushes
Rufous-bellied Thrush
Creamy-bellied Thrush
Old World Sparrows
House Sparrow
Wagtails and Pipits
Yellowish Pipit
Short-billed Pipit
Correndera Pipit
Hellmayr's Pipit
pipit sp.
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
Screaming/Shiny Cowbird
Scarlet-headed Blackbird
Grayish Baywing
Unicolored Blackbird
Yellow-winged Blackbird
Chestnut-capped Blackbird
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
Black-faced Tanager
Gray-throated Warbling Finch
Black-capped Warbling Finch
White-lined Tanager
Diademed Tanager
Blue-and-yellow Tanager
Sayaca Tanager
Long-tailed Reed Finch
Black-and-rufous Warbling Finch
Saffron Finch
Grassland Yellow-Finch
Great Pampa-Finch
Double-collared Seedeater
Rusty-collared Seedeater
Bluish-gray Saltator
Green-winged Saltator
Golden-billed Saltator
Others
passerine sp.