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In page Lion-tailed macaque:

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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 tail is medium in length at about 25 cm, and has a black tuft at the end that is similar to a lion's tail, although this tuft is more pronounced in males than in females.