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
London Zoo arapaimas and ocellate river stingrays. As well as the three halls, the aquarium also features the "Big Fish Tank", which contains large fish species that are all former pets, and had to be rescued because their owners did not have the proper equipment or understanding to look after them. The species in the Big Fish Tank include tambaqui, catfish and pirapitinga. Animal Adventure (formerly called the Ambika Paul Children's Zoo) opened in 2009 and is an area aimed primarily at children, featuring playgrounds and a water fountain. Many of the animals in Animal Adventure are domestic animals, such as sheep,