Some birds can fly very short distances in their migrations. The blue grouse, for example, lives in the mountains in North America and flies less than a mile down to lower, warmer altitudes for the winter months. That's one extreme. Another extreme are the long-distance fliers like the Arctic terns. These birds hold the distance record for flight; they've been known to fly from their summer home in the Arctic to a winter spot in the Antarctic, covering distances of around 10,000 miles (16,100 kilometers). And in the spring they go back the other way. The long-tailed jaeger flies more than 5,000 miles (8,050 kilometers) in each direction of its migratory flight. And even the tiny barn swallow has been known to cover 6,000 miles (9,660 kilometers) round-trip.
Pretty Cool uh???
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