Frigatebirds can remain airborne for days at a time without landing. Here’s how they rest while flying, according to ...

Migratory birds change how high they fly over deserts and seas. Wing shape, feather color, and heat all play a role in ...

Every year, billions of birds undertake extraordinary migrations, crossing vast deserts and open seas with no place to stop, ...

Michigan's native birds are arriving for the summer from near and far, but you might not notice as many travel at night. "The movements are massive," said Andrew Farnsworth, a migration ecologist at ...