When Jay Falk and Scott Taylor first saw the white-necked Jacobin hummingbird chick in Panama’s dense rainforest, the bird biologists didn’t know what they were looking at. The day-old bird, smaller ...

There are two species of streamertail hummingbirds on the island of Jamaica, West Indies—one with red-billed males (Trochilus polytmus) and the other with black-billed males (T. scitulus). This is a ...

Can you imagine a bird no larger than your thumb? Needless to say, this teeny chap is the smallest bird in the world. He is the bee hummingbird, and he weighs less than a U.S. penny. The jewel-like ...

Hummingbirds are reaching the U.S.'s northernmost states as the small but mighty birds wrap up their spring migration season. Known for their impossibly fast wings and long, slender beaks, ...

WASHINGTON (Reuters) - For such small creatures, hummingbirds certainly have racked up an outsized list of unique claims to fame. They are the smallest birds and the smallest warm-blooded animals on ...