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
Whipsnade Zoo of the Chiltern Hills) below the white rhino enclosure. Due to its size, inside the park, visitors may walk, use the zoo's bus service, or drive their own cars between the various animal enclosures, or through an 'Asian' area where some animals are allowed to roam free around the cars. There is also a train service, the narrow gauge Great Whipsnade Railway, also known as the "Jumbo Express." ZSL Whipsnade Zoo is the UK's largest zoo and one of Europe's largest wildlife conservation parks. It is home to 3,873 animals, many of which are endangered in the wild. The majority