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
Bronx Zoo sits atop the Rainey Memorial Gates. In 1916, the zoo built the world's first animal hospital located at a zoo. In 1937, the zoo became the first in North America to exhibit okapi. In 1960, the zoo became the first in the world to keep James's flamingo, a species which had been thought to be extinct until 1957. They were imported along with the similar Andean flamingo. The zoo was one of the few in the world to exhibit proboscis monkeys outside of Southeast Asia and, in the 1976 International Zoo Yearbook, the zoo reported having eight monkeys, seven of