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Black-throated Blue Warbler


IUCN Conservation Status: Least Concern

A bird of the deep forest, the Black-throated Blue Warbler breeds in the northeastern United States and southeastern Canada. On migration to its Caribbean wintering grounds it can be seen in a variety of habitats, including parks and gardens.


Typical Voice

Adult Description

  • Small songbird.
  • Short, thin bill.
  • Small white spot on edge of folded wing.
  • Male deep slate blue above with black face, throat, and flanks.
  • Female dull and nondescript.

Male Description

Back, tail, and top of head blue-gray. Face and throat black. Black extending in line down sides to flanks. White below. Base of primaries white, showing as a large white patch in flight, but a small white spot near the edge of the wing when folded. Outer tail feathers with large white spots and black tips.

Female Description

Tail, wings, back, and head grayish olive-green. Yellowish to cream white stripe above eye. Darkish spot in front of eye extending to ear feathers. Lower eyelid white. Underside whitish to yellowish. White spot at base of primaries. Indistinct pale spot on outer tail feathers.

Immature Description

Similar to adult. Back and head feathers of male edged with green, white of undersides tinged yellow, and some white tips to black feathers of throat. Female like adult, but more yellowish and may be without white spot on wing.

Range Map Help

Black-throated Blue Warbler Range Map
View dynamic map of eBird sightings

Field MarksHelp

  • Adult Male

    Black-throated Blue Warbler

    Adult Male
  • Adult female

    Black-throated Blue Warbler

    Adult female
    • Stocky and short-necked warbler
    • Mostly drab olive
    • Small white patch visible on folded wings
    • Faint facial pattern with pale stripe above eye
    • © Andy Johnson, Crane Creek State Park, Ohio, May 2009
  • Adult Male

    Black-throated Blue Warbler

    Adult Male
    • © Corey Hayes, Algonquin Provincial Park, Ontario, Canada, June 2013

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