CHECKLIST Buenos Aires NWR Checklist - 320 species GREBES Pied-billed Grebe Eared Grebe Western Grebe CORMORANTS Neotropic Cormorant Double-crested Cormorant PELICANS American White Pelican Brown Pelican DUCKS, SWANS, GEESE Black-bellied Whistling-Duck Ruddy Duck Greater White-fronted Goose Snow Goose Canada Goose Wood Duck Eurasian Wigeon American Wigeon Gadwall Green-winged Teal Mallard Northern Pintail Blue-winged Teal Cinnamon Teal Northern Shoveler Canvasback Redhead Ring-necked Duck Lesser Scaup Oldsquaw Common Goldeneye Bufflehead Hooded Merganser Red-breasted Merganser Common Merganser HERONS, EGRETS AND BITTERNS Little Blue Heron Snowy Egret Great Blue Heron Great Egret Cattle Egret Green Heron Least Bittern American Bittern IBIS AND SPOONBILLS White-faced Ibis NEW WORLD VULTURES Black Vulture Turkey Vulture OSPREY Osprey HAWKS, EAGLES AND KITES White-tailed Kite Northern Harrier Sharp-shinned Hawk Cooper's Hawk Common Black-Hawk Harris's Hawk Gray Hawk Red-shouldered Hawk Swainson's Hawk Zone-tailed Hawk Red-tailed Hawk Ferruginous Hawk Rough-legged Hawk Golden Eagle FALCONS AND CARACARAS Crested Caracara American Kestrel Merlin Prairie Falcon Peregrine Falcon WOOD-PARTRIDGES Scaled Quail Gambel's Quail Northern Bobwhite Montezuma Quail RAILS AND COOTS Virginia Rail Sora Common Moorhen American Coot CRANES Sandhill Crane SANDPIPERS Common Snipe Marbled Godwit Long-billed Curlew Greater Yellowlegs Lesser Yellowlegs Solitary Sandpiper Spotted Sandpiper Willet Long-billed Dowitcher Western Sandpiper Least Sandpiper White-rumped Sandpiper Baird's Sandpiper Pectoral Sandpiper Dunlin Wilson's Phalarope Red-necked Phalarope Red Phalarope AVOCETS AND STILTS Black-necked Stilt American Avocet PLOVERS AND LAPWINGS Semipalmated Plover Killdeer GULLS AND TERNS Heermann's Gull Ring-billed Gull California Gull Bonaparte's Gull Black Tern Forster's Tern Least Tern PIGEONS AND DOVES Rock Dove Band-tailed Pigeon Mourning Dove White-winged Dove Inca Dove Common Ground-Dove Ruddy Ground-Dove NEW WORLD CUCKOOS Yellow-billed Cuckoo ANIS Groove-billed Ani GROUND-CUCKOOS AND ALLIES Greater Roadrunner BARN-OWLS Barn Owl OWLS Western Screech-Owl Whiskered Screech-Owl Great Horned Owl Northern Pygmy-Owl Ferruginous Pygmy-Owl Elf Owl Burrowing Owl Northern Saw-whet Owl Long-eared Owl Short-eared Owl NIGHTJARS Lesser Nighthawk Common Nighthawk Common Poorwill Buff-collared Nightjar Whip-poor-will SWIFTS Vaux's Swift White-throated Swift HUMMINGBIRDS Broad-billed Hummingbird Violet-crowned Hummingbird Blue-throated Hummingbird Magnificent Hummingbird Black-chinned Hummingbird Anna's Hummingbird Costa's Hummingbird Calliope Hummingbird Broad-tailed Hummingbird Rufous Hummingbird Allen's Hummingbird TROGONS AND QUETZALS Elegant Trogon KINGFISHERS Belted Kingfisher Green Kingfisher WOODPECKERS Lewis's Woodpecker Acorn Woodpecker Gila Woodpecker Red-naped Sapsucker Williamson's Sapsucker Ladder-backed Woodpecker Strickland's Woodpecker Northern Flicker Gilded Flicker TYRANT FLYCATCHERS Northern Beardless-Tyrannulet Olive-sided Flycatcher Greater Pewee Western Wood-Pewee Willow Flycatcher Hammond's Flycatcher Gray Flycatcher Dusky Flycatcher Pacific-slope Flycatcher Cordilleran Flycatcher Buff-breasted Flycatcher Eastern Phoebe Say's Phoebe Black Phoebe Vermilion Flycatcher Dusky-capped Flycatcher Ash-throated Flycatcher Brown-crested Flycatcher Tropical Kingbird Cassin's Kingbird Thick-billed Kingbird Western Kingbird Sulphur-bellied Flycatcher Rose-throated Becard CROWS AND JAYS Steller's Jay Western Scrub-Jay Mexican Jay Clark's Nutcracker Chihuahuan Raven Common Raven VIREOS AND ALLIES Bell's Vireo Hutton's Vireo Cassin's Vireo Plumbeous Vireo Warbling Vireo WAXWINGS AND SILKY-FLYCATCHERS Phainopepla Cedar Waxwing THRUSHES Western Bluebird Mountain Bluebird Townsend's Solitaire Swainson's Thrush Hermit Thrush Rufous-backed Robin American Robin MOCKINGBIRDS AND THRASHERS Northern Mockingbird Sage Thrasher Bendire's Thrasher Curve-billed Thrasher Crissal Thrasher STARLINGS European Starling NUTHATCHES Red-breasted Nuthatch White-breasted Nuthatch CREEPERS Brown Creeper WRENS Cactus Wren Rock Wren Canyon Wren Marsh Wren Bewick's Wren Winter Wren House Wren GNATCATCHERS Verdin Blue-gray Gnatcatcher Black-tailed Gnatcatcher Black-capped Gnatcatcher SWALLOWS Tree Swallow Violet-green Swallow Purple Martin Northern Rough-winged Swallow Bank Swallow Barn Swallow Cliff Swallow KINGLETS Ruby-crowned Kinglet CHICKADEES, TITS Bridled Titmouse Juniper Titmouse LARKS Horned Lark OLD WORLD SPARROWS House Sparrow WAGTAILS AND PIPITS American Pipit Sprague's Pipit SISKINS, CROSSBILLS AND ALLIES Pine Siskin American Goldfinch Lesser Goldfinch Lawrence's Goldfinch Cassin's Finch House Finch Red Crossbill Evening Grosbeak NEW WORLD WARBLERS Blue-winged Warbler Orange-crowned Warbler Nashville Warbler Virginia's Warbler Lucy's Warbler Northern Parula Yellow Warbler Yellow-rumped Warbler Black-throated Gray Warbler Townsend's Warbler Hermit Warbler Black-throated Green Warbler Grace's Warbler Palm Warbler Black-and-white Warbler American Redstart Ovenbird Northern Waterthrush MacGillivray's Warbler Common Yellowthroat Hooded Warbler Wilson's Warbler Painted Redstart Yellow-breasted Chat BUNTINGS, SPARROWS, TANAGERS, ALLIES McCown's Longspur Chestnut-collared Longspur Lark Bunting Fox Sparrow Song Sparrow Lincoln's Sparrow Swamp Sparrow White-crowned Sparrow White-throated Sparrow Golden-crowned Sparrow Dark-eyed Junco Yellow-eyed Junco Savannah Sparrow Baird's Sparrow Grasshopper Sparrow Chipping Sparrow Clay-colored Sparrow Brewer's Sparrow Black-chinned Sparrow Vesper Sparrow Lark Sparrow Black-throated Sparrow Sage Sparrow Five-striped Sparrow Botteri's Sparrow Cassin's Sparrow Rufous-winged Sparrow Rufous-crowned Sparrow Green-tailed Towhee Spotted Towhee Canyon Towhee Abert's Towhee Hepatic Tanager Summer Tanager Western Tanager Dickcissel Rose-breasted Grosbeak Black-headed Grosbeak Northern Cardinal Pyrrhuloxia Blue Grosbeak Lazuli Bunting Indigo Bunting Varied Bunting Painted Bunting BLACKBIRDS, GRACKLES, ORIOLES Streak-backed Oriole Hooded Oriole Bullock's Oriole Scott's Oriole Yellow-headed Blackbird Red-winged Blackbird Eastern Meadowlark Western Meadowlark Great-tailed Grackle Rusty Blackbird Brewer's Blackbird Bronzed Cowbird Brown-headed Cowbird