According to BirdCast, ornithologists didn't realize the magnitude of migration that occurred at night until the turn of the 20th century. Fall migration timing varies across the U.S. and even within ...
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The Great Fall Bird Migration Is Underway—Use This Interactive Map to See Who’s Flying Near You
This year's migration is already breaking records! For avid birdwatchers, fall migration can be quite a show, as millions of birds travel to warmer winter homes—whether it's just a few hundred miles ...
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