Bird Identifier

Bird Encyclopedia

Search and identify 1,000+ birds — with size, habitat, diet, voice, behavior, and the field marks that tell them apart.

Mourning Warbler

Mourning Warbler

A skulking gray-hooded warbler of dense northern thickets, whose breeding males show a dark, mourning-veil-like patch on the throat and breast.

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Magnolia Warbler

Magnolia Warbler

A boldly patterned warbler with a black-streaked yellow breast and a distinctive black-and-white tail band, best identified from below in flight.

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Nashville Warbler

Nashville Warbler

A small, active warbler with a gray head, bold white eyering, olive back, and bright yellow underparts, occurring in two disjunct eastern and western breeding populations.

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Lucy's Warbler

Lucy's Warbler

One of North America's smallest warblers, a pale gray desert species with a chestnut rump and crown patch, unusual among warblers for nesting in tree cavities.

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Garden Warbler

Garden Warbler

A deliberately plain, featureless warbler whose lack of markings is itself the best clue to its identity, best appreciated for its rich, sustained song.

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Grasshopper Warbler

Grasshopper Warbler

An extremely secretive, streaked warbler best known for its bizarre, mechanical, insect-like reeling song, often compared to the sound of a fishing reel being cast.

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Dartford Warbler

Dartford Warbler

A small, dark, long-tailed warbler of gorse-covered heathland, notable for its deep wine-red underparts and its unusual habit of staying put year-round rather than migrating.

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Blackpoll Warbler

Blackpoll Warbler

A boreal-breeding warbler famous for its extraordinary nonstop transoceanic migration flight from the northeastern U.S. to South America.

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Canada Warbler

Canada Warbler

A slate-gray and yellow warbler notable for the bold necklace of black streaking across its breast and the yellow "spectacles" framing its eyes.

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Cerulean Warbler

Cerulean Warbler

A sky-blue, canopy-dwelling warbler of mature eastern forests, among the fastest-declining North American warblers due to habitat loss on both its breeding and wintering grounds.

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Yellow-rumped Warbler

Yellow-rumped Warbler

An abundant, adaptable warbler nicknamed 'butter-butt' for its bright yellow rump, able to survive winter farther north than most warblers by eating berries.

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Orange-crowned Warbler

Orange-crowned Warbler

A plain, drab olive warbler with a faint eyeline and blurry streaking below, whose namesake orange crown patch is usually hidden from view.

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Great Reed Warbler

Great Reed Warbler

A large, powerful reed-dwelling warbler with a loud, harsh, croaking song that carries far across the reedbeds it calls home.

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Eurasian Reed Warbler

Eurasian Reed Warbler

A plain, unstreaked, warm brown warbler of dense reedbeds, best known for its steady, rhythmic, chattering song and as a frequent host of the Common Cuckoo.

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Golden-winged Warbler

Golden-winged Warbler

A gray-and-white warbler with a bold golden wing patch and yellow crown, once common in shrubby eastern habitat but now steeply declining and prone to hybridizing with Blue-winged Warbler.

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Chestnut-sided Warbler

Chestnut-sided Warbler

A bright yellow-capped warbler with bold chestnut stripes down the flanks in breeding plumage, a bird that has benefited from second-growth habitat.

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Cape May Warbler

Cape May Warbler

A boldly patterned boreal warbler with a chestnut cheek patch and tiger-striped breast, whose populations boom and bust with spruce budworm outbreaks.

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Bay-breasted Warbler

Bay-breasted Warbler

A boreal-forest warbler whose breeding males show rich chestnut on the crown, throat, and flanks, while fall birds turn plain greenish and are easily confused with Blackpoll Warbler.

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Worm-eating Warbler

Worm-eating Warbler

A plain buffy warbler with bold black head stripes, best known for its habit of probing curled dead leaves for caterpillars rather than eating earthworms.

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Yellow-throated Warbler

Yellow-throated Warbler

A gray-backed warbler with a bright yellow throat and bold black-and-white face pattern, well adapted for creeping along bark and probing pine needle clusters and Spanish moss.

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Red-faced Warbler

Red-faced Warbler

An unmistakable warbler with a brilliant red face and throat set against a gray body, found in high mountain forests of the Southwest.

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Japanese Bush Warbler

Japanese Bush Warbler

A skulking, plain olive-brown warbler far better known for its explosive, flute-like spring song than for its rarely seen plumage.

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Black-and-white Warbler

Black-and-white Warbler

A strikingly striped black-and-white warbler that creeps along tree trunks and branches like a nuthatch, gleaning insects from bark.

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Blue-winged Warbler

Blue-winged Warbler

A bright yellow warbler with blue-gray wings, white wingbars, and a black eyeline, whose expanding range increasingly overlaps and hybridizes with the closely related Golden-winged Warbler.

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