Cougar Mountain Zoo 2009, Peter Rittler continued in the zoo's management. The zoo collection features 32 exhibits of animal habitats concentrating on endangered species such as tigers, lemurs, wolves, reindeer, cranes, wallabies, macaws, and cougars, among others. On June 16, 2007, the zoo acquired two male Bengal tiger cubs, a royal white and a golden, who were born eight weeks apart in a Florida tiger preserve. The zoo added an additional two cubs in 2009. A glass-walled tunnel called the "Tiger Tunnel" enables visitors to view tigers in close proximity. In 2011, a 370-pound (168 km) tiger was photographed holding his paw up
Twycross Zoo all four types of great ape: gorilla, orangutan, chimpanzee and bonobo, the latter being the only bonobos in the country. The zoo currently houses four orangutans, five gorillas, 20 chimpanzees and 13 bonobos. Twycross Zoo has one of the largest collections of gibbons in Europe, and 37% of their animal collection is classed as near threatened, vulnerable, endangered or critically endangered by the IUCN. Many of the animals at Twycross Zoo are part of conservation breeding programmes which help ensure a future for species threatened with extinction. The animal exhibits at Twycross Zoo are split into eight zones: Conservation Way