
Fossilized footprints reveal unprecedented insight into prehistoric animal behavior in Oregon
By Amanda Schupak, CNN (CNN) — About 50 million years ago, a small bird waded along a lakeshore in what today is central Oregon. A worm wriggled at its feet. The bird appeared to probe the silty earth with its beak, once, twice, three times, looking for food. On the fourth try, the bird may
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