Sperm Whales Learned to Avoid Nineteenth-Century Whalers

Nineteenth-century whalers questioned why sperm whales were getting drastically more challenging to capture. At the time, whalers of the North Pacific Ocean kept detailed logbooks about sperm whale sightings and harpoon strikes. These logbooks could help provide answers to the problem whalers faced in the 1800s and to the sperm whale populations struggling to recover today. Sperm whales that have encountered whalers might communicate to other sperm whales how to avoid the dangerous whalers. This information transfer between whales could help them adapt to rapidly changing environments.

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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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