Millions of birds are expected to fly over the U.S. to reach their migratory destinations, and a sizeable fraction of them will pass through Michigan after the sun goes down on Sept. 29. Late on ...

Millions of birds are expected to take flight across the U.S. Saturday night, Sept. 6, as part of their fall migration, according to a nonprofit that tracks bird migrations, although numbers in ...

It’s an idea that grew up in small-town Wyoming and now is going global. The idea is to create a global atlas of hooved mammal migrations. Scientists are calling it The Global Initiative on Ungulate ...

Mule deer migrate near Soda Lake Wildlife Habitat Management Area in the Green River Basin of Wyoming in May 2019. State, tribal and federal partners have now mapped 218 big-game migrations in five ...