The Lion-Tailed Macaque - A Crying Old Man

Lion-tailed macaqueThe liontail macaque (Macaca silenus) is known to German speakers as the "Beard Ape." This nomenclature, describes the silver-colored mane that encircles the lion-tailed macaque’s face. Aside from this mane, the rest of its appearance is dark. The hair is either a very dark brown or black, and the face is black. Thus, the beard resembles the grey beard of an old man with dark hair.

The lion-tailed macaque measures from 45 to 60 cm. (17 to 24 in.) and has a tail of around 25 cm. (10 in.). Their weight is between 3 and 10 kg. (7 to 22 lbs.). At zoos, these macaques can reach ages upwards of 30 years old, but in their natural habitat the life expectancy of a lion-tailed macaque is shortened to 20 years.

Living along the western coast of India, these monkeys are naturally found in Karnataka, Kerala and Tamil Nadu. Researchers believe that approximately 30,000 to 35,000 lion-tailed macaques can be found in this region. Due to this small population and the small geographical area they are found in, these primates are classified as endangered.

The endangered classification of lion-tailed macaques has been a tenuous issue over the past few decades. From 1977 to 1980, India’s main environmental debate was over the region of these monkeys. Thankfully, they have survived, mostly because of a strong public effort to save them.
A little over a decade later, in the mid-1990s, fourteen troops of lion-tailed macaques were observed in the valley that was so fiercely fought over earlier. In the surrounding areas, several smaller, but self-sustaining, groups have been discovered.

The lion-tailed macaque enjoys the rain forests of this area of India. Although they prefer to eat the plants, invertebrates, insects and small vertebrates native to this part of India, the lion-tailed macaque can adapt to a wide variety of food sources.

When predators invade the territory, the lion-tailed macaque first screams loudly. If this does not succeed, then the macaques bawl equally as emotionally. In these situations, the lion-tailed macaque looks like a little old man, who lost a toy, crying loudly.

Which zoos have them?
Smithsonian National Zoological Park (United States)

The Lion-tailed macaque, liontail macaque, wanderoo is listed as Endangered (EN), considered to be facing a very high risk of extinction in the wild, on the IUCN Red List of Threatened Species

Countries
India
Some facts about the
Liontail macaque

Adult weight : 7.875 kg (17.325 lbs)

Maximum longevity : 40 years

Female maturity :1429 days

Male maturity : 2511 days

Gestation : 176 days

Weaning : 365 days

Litter size : 1

Litters per year : 1

Interval between litters : 503 days

Weight at birth : 0.407 kg (0.8954 lbs)

Source: AnAge, licensed under CC

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