Bird Chirps From Hind End

Male Anna’s hummingbirds ? the West Coast’s most common hummingbird ? perform spectacular dive-bomber displays for females during breeding season, with their tail feathers vibrating like a reed in a clarinet as a result to make the sounds, scientists explained.

read more at livescience

Updated: February 17, 2012 — 7:38 pm

Leave a Reply

Your email address will not be published. Required fields are marked *