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 a stillborn calf. There was an allegation that the elephant suffered painful and unnecessary surgery during the birth. The zoo reported that Anna's death was due to an infection related to the still birth and that she did not "die in agony". In September 2007, two former 'tea party' chimpanzees named Koko and Jonnie, moved from London Zoo to make way for The Gorilla Kingdom, escaped from their enclosure. Koko followed one of the keepers back to the enclosure but Jonnie started heading towards public grounds. Jonnie was shot dead by the zoo's specially trained firearms squad for fears about