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Black-Capped Chickadee
Poecile atricapillus

The distinguishing vocalization "chick-a-dee-dee" of the Black-capped Chickadee is one of the most complex vocalizations in the animal kingdom.

Depending on slight variations in the phrases, the call can convey separate, unique messages.

Image, Audio: Copyright © 2000 Cornell Lab of Ornithology, Ithaca, NY.
Artist: Larry McQeen. Recordists: Gregory F. Budney & Robert C. Stein