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Trachypithecus johnii

2022-12-28 16:26:54 114

Trachypithecus johnii Life habits and morphological characteristics

The Indian black leaf monkey has a head and body length of 49-71 cm, a tail length of 69-97 cm, and a birth weight of 0.5 kg for a young monkey and a weight of 9.8-13.6 kg for an adult monkey. It has a smooth, dark brown fur coat, with thick golden brown hair on the head. There are white highlights on the buttocks and the base of the tail, and female monkeys have white areas on the inner thighs. At birth, young monkeys have pale pink skin and dark red fur, reaching full adult coloration at three months.

Trachypithecus johnii Distribution range and habitat

Distributed in India (Karnataka, Kerala, Tamil Nadu).

Trachypithecus johnii Detailed Introduction

Indian black leaf monkey (scientific name: Trachypithecus johnii) foreign name Nilgiri Langur, no subspecies.

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Little is known about the biology of the Indian black leaf monkey. The young are mainly born between May and November, just after the monsoon brings fresh leaves. The species usually consists of a male and up to 23 females and young monkeys, who move in the forest and are herbivorous, eating leaves of 102 plant species, as well as some fruits, flowers and seeds. As sub-adults, males begin to compete for the favor of females, but will be driven away from the family by dominant males and forced to move to a group composed of all male individuals.


Listed in the 2008 Red List of Endangered Species of the World Conservation Union (IUCN) ver 3.1 - Vulnerable (VU).

Listed in Appendix II of the Washington Convention on International Trade in Endangered Species (CITES).


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