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Bats Wiggle Their Way to Better Echolocation

While pursuing prey in complete darkness, horseshoe bats can zip through dense vegetation guided solely by sound. Their only protection from the raging headache—or worse—of a headlong collision is the sound waves entering their two pointy ears. New experimental research out of Virginia Tech shows that the horseshoe bat’s knack for rapidly navigating its environment is partly due to how it “wiggles” its nose and ears.