As we head toward the end of summer, many people may wonder where all the birds have gone. Experts say the birds haven’t gone anywhere; they’re just in hiding. August is the peak molting time for ...

Birds are the only group of dinosaurs that survived the asteroid-induced mass extinction 66 million years ago. But not all the birds alive at the time made it. Why the ancestors of modern birds lived ...

Q: First: In your last week's column, you answered a question about a bird which sounded as if it were crying. My thought: Could it be a catbird? I am always entertained by their nonsensical mimicking ...

Fossilized feathers of an extinct bird show it molted differently than modern birds. The prehistoric bird lost its feathers all at once, while many modern birds molt in waves. Regrowing feathers uses ...

The amber preserved the 3D structure of the enantiornithine feathers, giving researchers clues about where they were in the molting phase.Shundong Bi During the Cretaceous period, 145 to 66 million ...