A captive Anna’s hummingbird feeds while hovering ... spread their tails during 60-mile-an-hour dives, he says, there’s a chirping sound—not from their vocal cords but from the fluttering ...

An acoustic camera image shows how Costa's hummingbirds dive to the side of a caged female to minimize an audible Doppler sound. The color represents loudness. Disclaimer: AAAS and EurekAlert!

Hummingbirds flap their wings from about 10 to more than 80 times per second while hovering. They flap their wings even ...

When photographer Anand Varma first pitched us a story about hummingbirds in 2011 ... and males’ courtship dives can hit 60 miles an hour. To capture these marvels, Varma worked in a lab ...