Are gorillas happy in zoos?

Gorillas are extremely intelligent animals and they are to a great extent aware of their situation in zoos. Often they seem depressed when living in captivity in particular in some zoos were the enclosures are not large enough for their natural needs.



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As zoos sought to improve the health of their resident apes, the enclosures often assumed a blandly sterile configuration, devoid of risky foliage or toys. That approach led to problems of its own, like boredom, repetitive behaviors and depression.

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Many captive gorillas accept cooked or raw meat in their diets and there is some evidence that feral gorillas may also occasionally consume matter of animal origin.

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Here at the Smithsonian's National Zoo, our gorillas eat a varied diet made up of browse (fresh tree trimmings), leafy greens, vegetables and fruits that are prepared by our wonderful Nutrition Science team. Their wild cousins eat wild celery, stems, bamboo shoots, fruits and tree pulp.

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