Bats, Whales, and Bio-Sonar: New Findings About Whales’ Foraging Behavior Reveal Surprising Evolutionary Convergence
ScienceDaily (May 8, 2012) — Though they evolved separately over millions of years in different worlds of darkness, bats and toothed whales use surprisingly similar acoustic behavior to locate, track, and capture prey using echolocation, the biological equivalent of sonar. Now a team of Danish researchers has shown that the acoustic behavior of these two types of animals while hunting is eerily similar. The findings were made possible by a new type of whale tag that allows scientists, for the first time, to track whales’ foraging behavior in the wild.
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Photograph: Vu Dinh Thong. Strange New Leaf-Nosed Bat Found in Vietnam