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 ...

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 ...

Claudio Mello was conducting research in Brazil’s Atlantic Forest about 20 years ago when he heard a curious sound. It was high-pitched and reedy, like a pin scratching metal. A cricket? A tree frog?

The right time to take down your hummingbird feeder depends on where you live, but a safe bet is about two weeks after you last see a bird—typically around late October. Local Audubon experts and ...

As summer turns to fall, New Jersey's ruby-throated hummingbirds will head south for the winter. How to track their migration ...

Ruby-throated hummingbirds are the only hummingbirds that commonly appear in Rhode Island. Despite their tiny stature (they weigh about as much as a penny ), they migrate hundred of miles each year, ...

Researchers observed hummingbirds using 12 high-speed cameras, 6 pressure plates and 2176 microphones. The soft and complex feathered wings generate sound in a fashion similar to how the simpler wings ...