In northern Argentina, one bird courts romance by snapping its wrists together, producing a sound scientists have puzzled ...

Christopher Clark explains his research into the sounds male hummingbirds create with their tails. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

The Calliope hummingbird is a mighty flier! See what a Calliope hummingbird looks like, where to find the tiny birds, and how ...

Add Yahoo as a preferred source to see more of our stories on Google. Have you ever wondered what a bird’s tail is made of? It’s actually just feathers. Unlike animals such as cats or dogs, there are ...

Have you ever wondered what a bird’s tail is made of? It’s actually just feathers. Unlike animals such as cats or dogs, there are no bones or muscles back there, just a set of strong, flat feathers.