Lion-tailed macaque also called as Wanderoo is a species of primate confined to Western Ghats Mountains of South India. The scientific name of Lion-tailed macaque is Macaca silenus which belongs to Cercopethecidae family of Primates. The Lion-tailed macaque ranks among the rarest and most threatened species of primates. It is listed as ‘Endangered’ in Red List of Threatened Species of International Union for Conservation of Nature and Natural Resources (IUCN). Endangered species are those which are facing threat of extinction in near future.