Zoo Zoo (Wildlife Conservation Society) leading the discussion. From then on, zoo professionals became increasingly aware of the need to engage themselves in conservation programs, and the American Zoo Association soon said that conservation was its highest priority. In order to stress conservation issues, many large zoos stopped the practice of having animals perform tricks for visitors. The Detroit Zoo, for example, stopped its elephant show in 1969, and its chimpanzee show in 1983, acknowledging that the trainers had probably abused the animals to get them to perform. Whipsnade Park in Bedfordshire, England, was opened in 1931 as the first safari
Marwell Zoo main, current Marwell Wildlife conservation programmes include Managing Biodiversity in Hampshire, assisting Grevy's zebra and its ecosystem in Kenya; supporting threatened species in Zimbabwe and managing the population of small, vulnerable populations; and reintroducing the scimitar-horned oryx to the Sahara. The zoo has been involved in reintroducing wild horse, golden lion tamarin, roan antelope and scimitar oryx to the wild. The oryx was extinct in the wild, but more than 200 calves have been born and reared at the zoo since 1972 and many of these have been released back to the Sahara with animals from Whipsnade Zoo and Edinburgh