animals

Longer Yawning Means Bigger Brains; Why Do Animals Yawn?

A large-scale study of animals recently revealed that longer yawning means bigger brains. Specifically, what was unveiled was that vertebrates with larger brains and more neurons are said to have longer-lasting yawns.
Science Times - Silverback Gorillas: Beating Their Chest to Communicate with Females, Study Reveals

Why Do Silverback Gorillas Beat Their Chests?

German scientists discovered silverback gorillas are making deeper noise when they smack their chests. Their smaller peers and every individual's thwacking pattern is also distinctive.
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