by Swinburne
6123 images 200 classes
Acadian_Flycatcher American_Crow American_Goldfinch American_Pipit American_Redstart American_Three_toed_Woodpecker Anna_Hummingbird Artic_Tern Baird_Sparrow Baltimore_Oriole Bank_Swallow Barn_Swallow Bay_breasted_Warbler Belted_Kingfisher Bewick_Wren Black_Tern Black_and_white_Warbler Black_billed_Cuckoo Black_capped_Vireo Black_footed_Albatross
8670 images 21 classes
Abyssinian Roller African Blue Tit African Crake African Darter African Desert Warbler African Skimmer Allen's Gallinule Alpine Accentor Alpine Swift American Bittern American Golden Plover American Pipit American Wigeon Aquatic Warbler Arabian Bustard Arctic Loon Arctic Tern Atlantic Puffin Atlas Flycatcher Atlas Wheatear
by BirdProject
6242 images 35 classes
acorn-woodpecker annas-hummingbird blue-jay blue-winged-warbler carolina-chickadee carolina-wren chipping-sparrow common-eider common-yellowthroat dark-eyed-junco eastern-bluebird eastern-towhee harris-hawk hermit-thrush indigo-bunting juniper-titmouse northern-cardinal northern-mockingbird northern-waterthrush orchard-oriole
by BirdWatcher
5597 images 36 classes
acorn-woodpecker annas-hummingbird blue-jay blue-winged-warbler carolina-chickadee carolina-wren chipping-sparrow common-eider common-yellowthroat dark-eyed-junco eastern-bluebird eastern-towhee harris-hawk hermit-thrush indigo-bunting juniper-titmouse northern-cardinal northern-mockingbird northern-waterthrush orchard-oriole
by train
9879 images 11 classes
by YUGAM
8096 images 10 classes
7031 images 12 classes
1570 images 61 classes
Anisognathus igniventris Asio clamator Atlapetes pallidinucha Buteo platypterus Butorides striata Catamenia analis Catharus ustulatus Chaetocercus mulsant Chrysomus icterocephalus Coccyzus americanus Colaptes rivolii Colibrí coruscans Conirostrum rufum Contopus virens Coragyps atratus Crotophaga major Dendrocygna autumnalis Diglossa caerulescens Diglossa cyanea Diglossa humeralis
3965 images 74 classes
Banded_bay_cuckoo Baya_weaver Bengal_bush_lark Bengal_florican Black_bellied_tern Black_breasted_weaver Black_francolin Blue-throated_barbet Blue_naped_pitta Brahminy_kite Bristled_grassbird Brown_fish_owl Brown_throated_martin Brown_winged_kingfisher Brown_wood_owl Buffy_fish_owl Cachar_bulbul Chestnut_capped_babbler Chestnut_headed_bee_eater Chestnut_munia