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Hummingbirds All A-Flutter During Courtship

September 10th, 2011 · No Comments

Hummingbirds All A-Flutter During Courtship: How Fluttering Feathers Can Generate Courtship Sounds
ScienceDaily (Sep. 10, 2011) — Though famous for their mid-air hovering during hunting, tiny hummingbirds have another trait that is literally telltale: males of some hummingbird species generate loud sounds with their tail feathers while courting females. Now, for the first time, the cause of these sounds has been identified: a paper published in the Sept. 9, 2011 issue of Science by Christopher Clark of Yale University reveals that air flowing past the tail feathers of a male hummingbird makes his tail feathers flutter and thereby generate fluttering sounds.

Tags: Evolution

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