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FACTREE gives you something interesting to discover every day — and something worth talking about together.

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Biology

Environmental Enrichment and Captive Animal Welfare

Quick fact

Providing even simple enrichment—like a cardboard box or a frozen treat—can reduce stress hormones and increase natural behaviors in captive animals, dramatically improving their quality of life.

Why this is interesting

A lonely polar bear in a concrete zoo enclosure paces back and forth for hours. Why does this happen, and what can be done to stop it?