Bats Can Chat! Bats use echolocation to identify group members

Halloween has passed, but we can still have fun talking about bats! Bats use echolocation to find food, but could there be more hiding in these calls? Social bats search for prey together to reduce the time and energy it takes to find food. Besides, teamwork makes the dream work! Bats need to identify group members to know who is searching and where they have been. Echolocation calls are distinct between individuals allowing bats to discriminate among groupmates.

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Good Vibrations: Katydids communicate when the wind is calm

Bzzzt! Our phones vibrate to let us know that someone has sent us a message and would like to communicate. Hundreds of thousands of species of animals, including katydids, use vibrations to communicate too. Male katydids vibrate their abdomens against plant branches to send information to other katydids, but these communications can be interrupted when wind vibrates plant branches at the same time. To avoid this disruption, katydids wait until the wind calms down to broadcast their signals. “Can you hear me now?”

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