Black-throated Blue Warbler

Dendroica caerulescens
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Description: The most sexually dimorphic of all wood warblers, male Black-throated Blue Warblers are dark blue with black throats and white undersides; while the female is largely drab olive. Both sexes have a prominent white patch at the base of their primaries.


Song: A slow series of wheezy notes, the last on a higher pitch. “I am so lazee.”

Recording
Produced by: Library of Natural Sounds at the Cornell Laboratory of Ornithology.


Distribution: Breeds in mature deciduous forests that have a dense understory. Occurs through the Great Lakes region east to the Canadian Maritimes and New England and south through the Appalachians to northern Georgia.

Winters in the Bahamas and Greater Antilles, rarely on the Gulf Coast in Mexico south through Venezuela.

Black-throated Blue Warblers migrate through Florida with the first arrivals in mid-March. They arrive in the Great Lakes area and New England during the first part of May.


Status: Habitat loss in both its breeding and wintering range are a threatening populations of Black-throated Blue Warblers Breeding Bird Survey

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