Bald Eagle Baltimore Oriole Baltimore Oriole (female) Baltimore Oriole (juvenile) Bananaquit Band-backed Wren Band-tailed Pigeon Bar-bellied Woodpecker Bare-throated Tiger-Heron Bare-throated Tiger-Heron (juvenile) Barn Swallow Barred Antshrike Barred Hawk Barred Owl Barred Puffbird Bay-breasted Warbler Bay-headed Tanager Bay-headed Tanager (juvenile) Bay Wren Belted Kingfisher (female) Beryl-spangled Tanager Bewick’s Wren Black-and-white Seedeater Black-and-white Owl Black-and-white Warbler Black-and-yellow Silky-flycatcher Black-backed Bush Tanager Black-backed Woodpecker Black-banded Owl (San Isidro form) Black-bellied Hummingbird Black-bellied Whistling-Duck Black-billed Magpie Black-billed Nightingale-Thrush Black-billed Thrush Black-billed Treehunter Blackburnian Warbler Black-capped Chickadee Black-capped Flycatcher Black-capped Pygmy-Tyrant Black-capped Tanager Black-cheeked Warbler Black-cheeked Woodpecker Black-cheeked Woodpecker (female) Black-chested Mountain-Tanager Black-chinned Mountain-Tanager Black-collared Hawk Black-cowled Oriole Black-crested Warbler Black-crowned Antshrike Black-crowned Night-Heron Black-crowned Tityra Black-eared Hemispingus Black-faced Antbird Black-faced Antbird (female) Black-faced Dacnis Black-faced Dacnis (female) Black-faced Grosbeak Black-faced Ibises Black Flowerpiercer Black-headed Grosbeak Black-headed Saltator Black-headed Trogon Black-headed Trogon (female) Black-hooded Antshrike Black-necked Stilt Black-necked Stilt (Hawaiian) Black Oystercatcher Black Phoebe Blackpoll Warbler Black-striped Sparrow Black Swan Black-tailed Trainbearer Black Tern Black-thighed Grosbeak Black-throated Blue Warbler Black-throated Brilliant Black-throated Brilliant (female) Black-throated Trogon Black Vulture Blue-and-black Tanager Blue-and-white Swallow Blue-and-yellow Tanager Blue-and-yellow Tanager (female) Blue-chested Hummingbird Blue Dacnis Blue-gray Tanager Blue-Gray Tanager (White-edged) Blue-headed Parrot Blue Jay Blue-naped Chlorophonia Blue-winged Mountain-Tanager Blue-winged Teals Bluish Flowerpiercer Boat-billed Flycatcher Boat-billed Heron Bobolink Bohemian Waxwing Bonaparte’s Gull Booted Racket-tail Booted Racket-tail (female) Booted Racket-tail (juvenile) Booted Racket-tail (Eastern) Booted Racket-tail (Eastern female) Boreal Chickadee Brewer’s Blackbird Broad-billed Hummingbird Broad-billed Motmot Broad-winged Hawk Bronze-tailed Plumeleteer Bronze-winged Parrot Bronzy Hermit Bronzy Inca Brown-backed Chat-Tyrant Brown Booby Brown-capped Tyrannulet Brown-capped Vireo Brown Creeper Brown-crested Flycatcher Brown-headed Cowbird Brown-hooded Parrot Brown Inca Brown Inca (female) Brown Jay Brown Pelican Brown Pelican (juvenile) Brown Thrasher Brown Violetear Buff-breasted Mountain-Tanager Buff-fronted Foliage-gleaner Buffleheads Buff-rumped Warbler Buff-tailed Coronet Buff-throated Saltator Buff-winged Starfrontlet Buff-winged Starfrontlet (female) Bushtit
