How captivity saved these animals from extinction

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Captive breeding -- where endangered animals in zoos or other facilities are encouraged to reproduce, with the aim of releasing the offspring -- has been credited for saving a number species from extinction in the wild. Pictured, a golden lion tamarin at ZSL London Zoo.
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Golden lion tamarin – Found only in Brazil, the golden lion tamarin was driven to the brink of extinction by a combination of deforestation and the pet trade. But the breeding efforts of almost 150 zoos have helped numbers recover to more than 3,000 in the wild.
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