Big and Brilliant: Complex Whale Behavior Tied to Brain Size 1 234 567

Big and Brilliant: Complex Whale Behavior Tied to Brain Size

voanews.com

Cetaceans — whales and dolphins — are among the brainiest of beings. In terms of sheer brain size, the sperm whale is tops on Earth, with a brain six times larger than that of a person.And now, scientists have identified key differences among cetaceans linked to brain size. A study of 90 cetacean species published last week found that those with larger brains exhibit greater complexity in social structures and behaviors, with species like the killer whale and sperm whale leading the...

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