Migration maps show high activity in Michigan overnight on Sept. 29, as birds in North America fly south. How to keep tabs on the migration.

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 ...

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 ...