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 ...

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 ...

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 ...