Many animals use impressive displays to seduce a mate, but few go as far as the male Anna’s hummingbird. He performs a death-defying courtship dive, plummeting to the ground at speeds and ...

Tail slightly rounded to double-rounded. Adult male: rose (fresh) to orange-red (worn) gorget and crown. Adult female: throat and underparts spotted and mottled dusky to bronzy green, median throat ...

A stocky, medium-sized hummingbird, the Anna’s has a straight, short bill and a broad tail that extends past the wings. With bold, metallic greens above a gray belly, Anna’s is the only North American ...

Many of the world's smallest hummingbirds, including the West Coast's Anna's and the East Coast's ruby-throated, execute display dives to seduce females and drive away intruders. A characteristic ...

This ScienceLives article was provided to LiveScience in partnership with the National Science Foundation. The sexy zip of a male hummingbird as it dives is made not by its voice, but with its special ...

Berkeley -- The beeps, chirps and whistles made by some hummingbirds and thought to be vocal are actually created by the birds' tail feathers, according to a study by two students at the University of ...