Zoo exhibits where visitors enter enclosures of non-aggressive species, such as lemurs, marmosets, birds, lizards, and turtles. Visitors are asked to keep to paths and avoid showing or eating foods that the animals might snatch. Some zoos keep animals in larger, outdoor enclosures, confining them with moats and fences, rather than in cages. Safari parks, also known as zoo parks and lion farms, allow visitors to drive through them and come in close proximity to the animals. Sometimes, visitors are able to feed animals through the car windows. The first safari park was Whipsnade Park in Bedfordshire, England, opened by the
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