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
Whipsnade Tree Cathedral the site was held in 1953, and services continue to this day. In 1960 the Tree Cathedral was accepted as a gift by the National Trust. The independent Whipsnade Tree Cathedral Fund is responsible for the religious use of the site. Services have been conducted by many different denominations. It is Grade II listed on the Register of Historic Parks and Gardens. The Tree Cathedral contains chapels meant for each of the four seasons. The cathedral incorporates the following trees. The site also includes a number of notable shrubs including Berberis, Cotoneaster, Dogwood, Flowering Currant, Holly, Hazel, Lilac, Laurustinus, Laurel,