Lion-tailed macaque in southern India had acted positively to protect it. Lion-tailed macaque The lion-tailed macaque ("Macaca silenus"), or the wanderoo, is an Old World monkey endemic to the Western Ghats of South India. The hair of the lion-tailed macaque is black. Its outstanding characteristic is the silver-white mane which surrounds the head from the cheeks down to its chin, which gives this monkey its German name "Bartaffe" - "beard ape". The hairless face is black in colour. With a head-body length of 42 to 61 cm and a weight of 2 to 10 kg, it ranks among the smaller macaques. The
Macaque macaques have become invasive species in different parts of the world, while others that survive in forest habitats remain threatened. The long-tailed macaque ("Macaca fascicularis") is listed as a threat and invasive alien species in Mauritius along with the rhesus macaques ("Macaca mulatta") in Florida. The long-tailed macaque causes severe damage to parts of its range where it has been introduced because the populations grow unchecked due to a lack of predators. On the island Mauritius, they have created serious conservation concerns for other endemic species. They consume seeds of native plants and aid in the spread of exotic weeds