Phenotypic characters with a complex physical basis may have a correspondingly complex evolutionary history. Males in the “bee” hummingbird clade court females with sound from tail-feathers, which ...

I’ve been noticing more than one ruby-throated hummingbird at my feeder recently. Two, sometimes even three, sharing the feeder. None of these have the ruby-throat of an adult male. So, these are ...

“I had a large swarm of hummingbirds last summer, but every one was a female—not a single male hummingbird among them. How can that be?” asks Birds & Blooms reader Sharon Rice of Fulton, Missouri.

Hummingbird migrations take place in spring and fall and those events are cause for excitement among many people. "They are the gateway drug to bird watching because they are incredibly charismatic," ...