| View | Peucaea aestivalis |
Bachman's Sparrow |
| View | Vermivora bachmanii |
Bachman's Warbler |
| View | Calidris bairdii |
Baird's Sandpiper |
| View | Haliaeetus leucocephalus |
Bald Eagle |
| View | Icterus galbula |
Baltimore Oriole |
| View | Hydrobates castro |
Band-rumped Storm-Petrel |
| View | Patagioenas fasciata |
Band-tailed Pigeon |
| View | Riparia riparia |
Bank Swallow |
| View | Limosa lapponica |
Bar-tailed Godwit |
| View | Hirundo rustica |
Barn Swallow |
| View | Branta leucopsis |
Barnacle Goose |
| View | Strix varia |
Barred Owl |
| View | Setophaga castanea |
Bay-breasted Warbler |
| View | Vireo bellii |
Bell's Vireo |
| View | Megaceryle alcyon |
Belted Kingfisher |
| View | Pterodroma cahow |
Bermuda Petrel |
| View | Thryomanes bewickii |
Bewick's Wren |
| View | Catharus bicknelli |
Bicknell's Thrush |
| View | Cepphus grylle |
Black Guillemot |
| View | Laterallus jamaicensis |
Black Rail |
| View | Melanitta americana |
Black Scoter |
| View | Rynchops niger |
Black Skimmer |
| View | Chlidonias niger |
Black Tern |
| View | Coragyps atratus |
Black Vulture |
| View | Mniotilta varia |
Black-and-white Warbler |
| View | Pluvialis squatarola |
Black-bellied Plover |
| View | Fregetta tropica |
Black-bellied Storm-Petrel |
| View | Dendrocygna autumnalis |
Black-bellied Whistling-Duck |
| View | Coccyzus erythropthalmus |
Black-billed Cuckoo |
| View | Thalassarche melanophris |
Black-browed Albatross |
| View | Poecile atricapillus |
Black-capped Chickadee |
| View | Pterodroma hasitata |
Black-capped Petrel |
| View | Archilochus alexandri |
Black-chinned Hummingbird |
| View | Nycticorax nycticorax |
Black-crowned Night Heron |
| View | Pheucticus melanocephalus |
Black-headed Grosbeak |
| View | Chroicocephalus ridibundus |
Black-headed Gull |
| View | Rissa tridactyla |
Black-legged Kittiwake |
| View | Himantopus mexicanus |
Black-necked Stilt |
| View | Limosa limosa |
Black-tailed Godwit |
| View | Larus crassirostris |
Black-tailed Gull |
| View | Setophaga caerulescens |
Black-throated Blue Warbler |
| View | Setophaga nigrescens |
Black-throated Gray Warbler |
| View | Setophaga virens |
Black-throated Green Warbler |
| View | Vireo altiloquus |
Black-whiskered Vireo |
| View | Setophaga fusca |
Blackburnian Warbler |
| View | Setophaga striata |
Blackpoll Warbler |
| View | Passerina caerulea |
Blue Grosbeak |
| View | Cyanocitta cristata |
Blue Jay |
| View | Polioptila caerulea |
Blue-gray Gnatcatcher |
| View | Vireo solitarius |
Blue-headed Vireo |
| View | Spatula discors |
Blue-winged Teal |
| View | Vermivora cyanoptera |
Blue-winged Warbler |
| View | Quiscalus major |
Boat-tailed Grackle |
| View | Dolichonyx oryzivorus |
Bobolink |
| View | Chroicocephalus philadelphia |
Bonaparte's Gull |
| View | Fringilla montifringilla |
Brambling |
| View | Branta bernicla |
Brant |
| View | Euphagus cyanocephalus |
Brewer's Blackbird |
| View | Onychoprion anaethetus |
Bridled Tern |
| View | Cynanthus latirostris |
Broad-billed Hummingbird |
| View | Selasphorus platycercus |
Broad-tailed Hummingbird |
| View | Buteo platypterus |
Broad-winged Hawk |
| View | Molothrus aeneus |
Bronzed Cowbird |
| View | Sula leucogaster |
Brown Booby |
| View | Certhia americana |
Brown Creeper |
| View | Anous stolidus |
Brown Noddy |
| View | Pelecanus occidentalis |
Brown Pelican |
| View | Toxostoma rufum |
Brown Thrasher |
| View | Molothrus ater |
Brown-headed Cowbird |
| View | Sitta pusilla |
Brown-headed Nuthatch |
| View | Amazilia yucatanensis |
Buff-bellied Hummingbird |
| View | Calidris subruficollis |
Buff-breasted Sandpiper |
| View | Bucephala albeola |
Bufflehead |
| View | Icterus bullockii |
Bullock's Oriole |
| View | Bulweria bulwerii |
Bulwer's Petrel |
| View | Athene cunicularia |
Burrowing Owl |