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
Jinan Zoo year. Employees at the zoo have contributed in many types of great achievements such as the knowledge of animal science, animal protection and animal breeding research. Valuable species originated from China include: giant panda, golden monkey, Asian elephant, takin, kiang, Thorold's deer, hoolock gibbon, Francois' leaf monkey, fox, red-crowned crane. In 1992, they introduced a pair of Sichun golden monkeys which they have successfully bred. Making Jinan zoo one of the few zoos that can successfully breed domesticate golden monkeys. In 1998, an area of 3000m was created for the hundred-bird paradise that contains over 150 different species of birds