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
Gerald Durrell faced in this period can be found in "Fillets of Plaice". His call-up for the war came in 1943, but he was exempted from military duty on medical grounds, and asked to serve the war effort by working on a farm. After the war, Durrell joined Whipsnade Zoo as a junior or student keeper. This move fulfilled a lifelong dream: Durrell claims in "The Stationary Ark" that the first word that he could enunciate with any clarity was "zoo". "Beasts in My Belfry" recalls events of this period. Durrell left Whipsnade Zoo in May 1946 in order to join wildlife