Tips for using Browse:

Browsing is a valuable way to learn about birds, however it is a brute force approach and not designed for identification. A more sophisticated approach to finding a bird with specific field marks is to use the Step by Step Search. You can also try the Wizard to find a bird, which uses a question and answer approach, but again it does not give you the flexibility of the Step by Step Search.

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Blue-winged Warbler
Blue-winged Warbler: Medium-sized warbler with olive-green upperparts and yellow underparts. The head is yellow with thin black eye line and olive-green nape. Wings are dark gray with two white bars. When its range overlaps with the Golden-winged Warrbler, it often interbreeds with or displaces it.
Blackpoll Warbler
Blackpoll Warbler: Medium-sized warbler with black-streaked, gray upperparts, white underparts, and black-streaked white sides. Head has black cap and prominent white cheek patch. Bill is black. Wings are dark with two white bars. Pink legs and feet. Swift, direct flight with rapidly beating wings.
Bachman's Warbler
Bachman's Warbler: Small warbler, olive-green upperparts, yellow forehead, throat, underparts, faint white eye-ring, black crown, bib. It was last seen in the United States in 1962, when it was recorded near Charlestown, South Carolina. In Cuba a wintering female was spotted in 1981.
Bumblebee Hummingbird
Bumblebee Hummingbird: One of the smallest hummingbirds at 2.75 inches with green upperparts, sides, and white underparts. The gorget is violet-red and the rounded tail is green with a rufous base. This bird can hover in a horizontal positon with it's tail cocked vertical as it feeds on nectar.
Bananaquit
Bananaquit: Small and short-tailed with short, decurved black bill. Black above with white underparts. Belly washed with yellow with bold white stripe over eyes. Rump is yellow. Legs and feet are black. Weak fluttering flight, alternates rapid wing beats with brief periods of wings pulled to sides.
Bay-breasted Warbler
Bay-breasted Warbler: Medium-sized warbler with dark-streaked gray upperparts and buff underparts with chestnut-brown patches on the chin, throat, breast and flanks. The head has a dark brown crown and black mask. Wings are black with two white bars. It is one of the largest warblers.
Blue-throated Hummingbird
Blue-throated Hummingbird: Large hummingbird with bronze-green upperparts, bronze-brown rump, brilliant purple-blue throat, gray underparts. Tail is dark, occasionally washed with blue-black, and has white corners. Feeds on nectar and insects. Direct and hovering flight with very rapid wing beats.
Broad-billed Hummingbird
Broad-billed Hummingbird: Medium-sized hummingbird with metallic green body and vibrant blue throat. Bill is bright red with black tip. Tail is black, forked, and has white undertail coverts. Legs and feet are black.Feeds on nectar and insects. Direct and hovering flight with very rapid wing beats.
Black-chinned Hummingbird
Black-chinned Hummingbird: Medium hummingbird with metallic green upperparts, gray underparts, white breast, green-washed flanks. Head appears black overall with white spot behind eye; cap is very dark green. Throat is iridescent violet; bill is long and slightly decurved. Forked tail is dark green with black outer tail feathers.
Black-backed Woodpecker
Black-backed Woodpecker: Small woodpecker with black back, black wings with white spots on flight feathers, barred flanks, white underparts. Head has a conspicuous white cheek mark and yellow crown. Tail is black with white outer tail feathers. Black bill is long and stout. Legs and feet are gray.
Broad-tailed Hummingbird
Broad-tailed Hummingbird: Medium hummingbird with green upperparts and flanks, iridescent red throat, and gray underparts. Dark green tail may show some rufous. Black bill is long and straight. Black legs, feet. Feeds on nectar, spiders, sap and insects. Direct and hovering flight with very rapid wing beats.
Black-throated Blue Warbler
Black-throated Blue Warbler: Small warbler that is the most strikingly sexually dimorphic of all wood warblers. Male has dark blue upperparts, black throat and mask. White underparts with black sides and white wing patch at base of primaries. Bill, legs and feet are black. The female is olive-brown.
Black-throated Gray Warbler
Black-throated Gray Warbler: Small warbler, black-marked, slate-gray upperparts, black streaks on flanks, white underparts. Head has black hood and throat, sharply contrasting white eyebrow and cheek stripe, and yellow spot in front of eye. Wings are dark with two white bars. Black bill, legs, feet.
Black-throated Green Warbler
Black-throated Green Warbler: Medium-sized warbler with olive-green upperparts, black-streaked flanks, and white underparts. Face is yellow with black eyestripe and bill. Crown is olive green. Throat and upper breast are black. Wings are dark with two white bars. Tail is dark. Black legs and feet.
Blackburnian Warbler
Blackburnian Warbler: Medium warbler, yellow-orange head, black cap and cheek patch, and orange throat. Upperparts are black with white stripes and underparts are white with black- streaked flanks. Wings have prominent white patches. The tail is black with white on outer tail feathers.
Black-and-white Warbler
Black-and-white Warbler: Small, black-and-white striped warbler with a white median head stripe bordered by black. Black bill, legs and feet. It forages unlike any other warbler by moving up and down the trunks of trees and crawling under and over branches in a style similar to that of a nuthatch.