14-01-16 The world's zoos work hard and spend enormous resources on the conservation of endangered species, but the resources are not always optimally spent. One big problem is international legislation and the need of more zoos to work in regional or global...

10-11-24 Lions, bears, monkeys, crocodiles, parrots and iguanas（美洲蜥蜴） may seem inoffensive at first glance（乍一看） when they're behind bars in zoos. But some exotic species can escape and become invasive species. This has been confirmed by a scientif...