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
Breeding programs at Zoo Basel on June 22, 2010 zoo officials consider a calm hatching time and ideal weather as reasons for this record. Zoo Basel hatched the first flamingo, a Chilean flamingo in a European zoo in 1958 and a year later the first greater flamingo in captivity. While at first Zoo Basel had all six flamingo species, it decided to focus on the greater flamingo in the 1980s. The Zoo Basel holds international studbook for the Indian rhinoceros since 1972 and coordinates since 1990 the European Endangered Species Programme (EEP), which ensures that the captive Indian rhinoceros population stays as genetically healthy as