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
Dr. Juan A. Rivero Zoo zoo acquired two new giraffes and two desert warthogs to augment the African collection. The animals were brought from Ohio and Louisiana. The recent economic downturn related to the government debt crisis in Puerto Rico has led to issues with zoo maintenance and animal care. Committed to animal welfare, especially those facing extinction, the zoo has several conservations programs for the following species: In an effort to promote conservation, the Dr. Rivero Zoo has started an adoption program in which citizens can "adopt" one of the zoo's animals, and donate to contribute in conservation efforts. Dr. Juan A. Rivero Zoo