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| Cool fact: 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: in addition to acting as a contact call or as an alarm call, chickadees also use their call to relay information about an individual's identity or to indicate that they recognize a particular flock. |
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