Millions of animals are at risk, but what are the rarest animals in the world? These are some of the most endangered animals, ...

The Moscow Zoo has become the leader in the number of animal species on display ... and a sanctuary for hundreds of the planet’s rarest species. "We do more than observe nature - we actively ...

Nashville Zoo announced the birth of a female clouded leopard March 11. “Clouded leopards are among the rarest of the world’s cat species and one of the most secretive,” according to ...