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
German Society for Animal Breeding German Society for Animal Breeding The German Society for Animal Breeding in German: "Deutsche Gesellschaft für Züchtungskunde e.V." (DGfZ) is a specialist association which sees itself as a link in the area of livestock science, in that brings together science, administration and practice (including intermediate areas) over all species of animal. The DGfZ was formed in 1905 as a non-profit organization with its seat in Bonn (Germany). It officially represents Germany at the European Federation of Animal Science (EAAP) and is thus financially sponsored by the Bundesministerium für Ernährung, Landwirtschaft und Verbraucherschutz (Federal Ministry for Nutrition, Agriculture and Consumer Protection)