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 ...

Tiny among birds, Anna’s hummingbirds are considered medium-sized and stocky for a hummingbird. Anna’s hummingbirds are 3.9 to 4.3 inches long with a wingspan of 4.7 inches. Their weight ranges from 0 ...

A northern Michigan homeowner was surprised to see a hummingbird at his feeder in the middle of winter. But the intrigue only increased when the little bird turned out to be a species that's native to ...

Hummingbirds are among the smallest birds, and they are known for being beautiful, petite, and fast. After all, they can beat their wings up to 80 times a second! Like many creatures in the animal ...