WASHINGTON (AP) — Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear. As the ...

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 ...

Claudio Mello was conducting research in Brazil’s Atlantic Forest about 20 years ago when he heard a curious sound. It was high-pitched and reedy, like a pin scratching metal. A cricket? A tree frog?

Wehr Nature Center held its second Blind Birder Birdathon as part of Birdability’s annual global event. “Bird watching” is out, and “birding” is in. The phrase “bird watching” doesn’t cover the full ...