Twin Amur leopard cubs born at San Diego Zoo | USA TODAY

Less than 300 Amur leopards are left in the wild, making them one of the most endangered species in the world. RELATED: Adorable baby hippo born at the Dallas Zoo » Subscribe to USA TODAY: » Watch more on this and other topics from USA TODAY: » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR. #SanDiegoZoo #Leopard #Cubs