Researchers have found that a tropical species of hummingbird called a black jacobin makes vocal sounds with an unusually high-frequency pitch that falls outside birds' normal hearing range. It's not ...

When a male Anna’s hummingbird pulls out of a courtship dive at roughly 60 miles per hour, the air ripping through his outer tail feathers produces a loud, sharp chirp. It is not a vocalization. No ...

Owls hoot and geese honk, but the black Jacobin hummingbird sounds like a cricket. The Brazilian bird's song is so high-pitched that neuroscientist Claudio Mello didn't even realize at first that a ...

You already know that hummingbirds are amazing animals — they can hover in place for minutes at a time, fly backwards at will, and flap their buzzing wings up to 70 times per second. But how much do ...