Nothing gets your attention as fast as a smoke alarm — especially when it wants its batteries changed. I’ve always hated that nagging beeping, but it has become less annoying now that I associate it ...

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 ...

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 ...

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 ...