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 ...

The chirps and beeps of hummingbirds at times come from their tails. Male Anna's hummingbirds — the West Coast's most common hummingbird — perform spectacular dive-bomber displays for females during ...

Christopher Clark went to Strawberry Canyon in Berkeley and got a bad case of poison oak. Then he tried a shoreline park in Albany, where his camera was stolen and sopping-wet dogs covered his field ...

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 ...

Birds have evolved some very strange features and behaviors in order to woo mates. Birds-of-paradise feathers are a natural vantablack. Bowerbirds build elaborate and colorful nests. And it seems that ...

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 ...

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 ...