A newly constructed family tree of the hummingbirds, published today in the journal Current Biology, tells a story of a unique group of birds that originated in Europe, passed through Asia and North ...
We’re all familiar with muscle conditioning or deconditioning that happens in response to exercise or lack of it. But when an active lifestyle—or, by contrast, that of a couch potato—is sustained over ...
Bill shape affects how efficiently a hummingbird feeds and how it competes with other hummingbirds. Because of humans, they ...