There are more Sumatran tigers in captivity than live in the wild . Keeping animals in sanctuaries can serve an important purpose , says Jenni Watts . But it also has a downside. Without action all endangered species will have to live behind bars .
There are more Sumatran tigers in captivity than live in the wild . Keeping animals in sanctuaries can serve an important purpose , says Jenni Watts . They help people learn about animals and inspire fundraising efforts . Without action all endangered species will have to live behind bars .