British ornithologists tracked cuckoo birds on a migration more than 7,500 miles, spanning southern Africa and East Asia. Mongolian Cuckoos Migrate 7,500 Miles To Southern Africa — One Of The Longest ...

A male blue-winged warbler. Long-distance bird migration is one of the natural world's most inspiring phenomena-but the story of how we know what we know about bird migration is almost as amazing as ...

The birds are on the move. In flocks so think they look like a "storm" cluster on your weather radar, the birds are moving for their annual fall migration. Most of the migration is concentrated in the ...

The next few weeks mark the peak of bird migration season, a biannual natural phenomenon when hundreds of millions of birds journey across the continent, primarily at night. Scientists are calling on ...

National Bird Day 2025 highlights how bird population changes reveal environmental stress and ecosystem health worldwide.

Bird migration is ramping up in Michigan, indicating the changing seasons and giving birders a chance to see hundreds of species before winter. Millions of birds are winging their way south across the ...