With their wings flapping faster than the eye can see and hearts thumping at full speed, hummingbirds make their annual migration north each spring. These tiny, mighty, jewel-toned birds have been ...

If you’re like other fans of these different kinds of hummingbirds eagerly awaiting their return, you want to know when to ...

The hummingbird study that Tom Smith and Chris Schneider are conducting in Ecuador is part of a much larger research program spanning three continents. Evolutionary biologists are fanning out and ...