Calliope Hummingbird Identification and Size Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the ...

Not only can the lack of food make their blood sugar levels plummet, leaving them "weak and vulnerable to predators," they ...

In dense vegetation, hummingbirds must dodge and weave around branches and vines. Marc Badger of UC Berkeley elicits such acrobatics in the lab by having birds fly through small apertures ...

Hummingbirds are perhaps our best-loved birds, but there’s a lot that people don’t know about them. What kinds of ...

The male Anna's hummingbird sits on a branch in Arcadia on Jan. 15. But the intrigue only increased when the little bird turned out to be a species that's native to the West Coast.