Friday, June 17, 2016

Black-throated Green Warbler

This spring I really had only one migratory warbler wave, on 24 May. Among the birds banded, was this female Black-throated Green Warbler. This warbler is an abundant breeder across much of northern and eastern North America. That I do not band more of these birds is a bit odd.

The Black-throated Green Warbler’s call is distinctive, usually a “lispy, dreamy" zee zee zee zee zoo zee, with the zees at the same pitch, and the zoo lower (Peterson). Listen. The males tend to sing persistently.  One male sang 466 songs in an hour (Morse and Poole 2006).

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