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 ...

When a fiery throated hummingbird approaches a flower to feed, its wings are beating at nearly 100 times per second. To the naked eye, its wings are moving so fast ...

“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.