Crowded skies are forcing gray bats to adjust their echolocation, revealing how they adapt their calls in real time to avoid confusion.

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Bats are nocturnal hunters and use echolocation to orient themselves by emitting high-frequency ultrasonic sounds in rapid succession and evaluating the calls' reflections. Yet, they have retained a ...

Spix’s disc-winged bats shrieked when they were first shown mealworms, a new food for them. Were they alarmed, or were they communicating their excitement to their fellow bats? Elisabeth King Tightly ...