In the June 25 issue of Psychology Today, Herzog updated a piece titled, “Are Humans the Only Animals That Keep Pets?” In it, ...

A new study involving chimpanzees offers surprising insights. Some animals suddenly began to carry blades of grass in their ears or even in their anus–without any apparent purpose. What initially ...

May 19, 2025 — Animal abduction: Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys -- a behavior never before seen in wild primates.

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