Believe it or not, Yale researchers have discovered that hummingbirds’ “hums” are actually produced by vibrations in the birds’ tail feathers.

Hummingbird mystery solved at Yale

September 21, 2011 • 0
Two Yale scientists have discovered how hummingbirds hum. In collaboration with Yale biology professor Richard Prum and University of California, Berkeley professor Damian Elias, biology post-doctoral associate Chris Clark has determined that the sound produced by diving hummingbirds in mating rituals is caused by tail feather vibrations. Researchers in the field praised the project for »