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 hummingbird is named after its pleasant humming sound when it hovers in front of flowers to feed. But only now has it become clear how the wing generates the hummingbird's namesake sound when it ...

COLUMBUS, Ohio (WCMH) – Some of the smallest species of birds in the world known for their bright metallic feathers and the humming sound created by their wings are traveling north for the summer, and ...

Hummingbirds are some of the most beautiful and elegant creatures on earth, and inviting them into your yard is almost like ...

All air-breathing vertebrates have a larynx—a structure of muscles and folds that protects the trachea and, in many animals, vibrates and modulates to produce a stunning array of sounds. But birds, ...

Many birds sing to woo females, but some hummingbirds go to great lengths to do so. They climb to between 5 and 40 metres before plummeting past perched females in death-defying dives. They pull up at ...