Hyenas cooperate, problem-solve better than primates.

NewsRx Health | October 18, 2009 | Copyright

Spotted hyenas may not be smarter than chimpanzees, but a new study shows that they outperform the primates on cooperative problem-solving tests.

Captive pairs of spotted hyenas (Crocuta crocuta) that needed to tug two ropes in unison to earn a food reward cooperated successfully and learned the maneuvers quickly with no training. Experienced hyenas even helped inexperienced partners do the trick.

When confronted with a similar task, chimpanzees and other primates often require extensive training and cooperation between individuals may not be easy, said ...

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