Silvery lutung

Silver Haubenlangur

The Silver Haubenlangur ( Trachypithecus cristatus) is a primate of the group of monkeys Slim ( Presbytini ).

Features

Silver Haubenlanguren reach a body length 46-56 centimeters, the tail is 63-84 centimeters considerably longer than the body. Males with an average of 6.6 kg significantly heavier than females at 5.7 kilograms. The fur of these animals is colored dark gray, the tips of the hairs are lighter. The face is black, the head, as with all Haubenlanguren characterized by a hair.

Distribution and habitat

Silver Haubenlanguren live in Southeast Asia, their range covers the western part of the Malay Peninsula, Sumatra, Borneo and some offshore islands. Habitat of these animals are forests, where they occur in different types of forests, such as mangrove forests.

Way of life

These primates are diurnal and arboreal, they move there, mostly quadrupedal continued. They live in harem groups consisting of one male, several females and their associated pups. The remaining males often live solitary. The groups are territorial and very aggressive to other groups. Conflicts are played by loud cries, if necessary, also by blows and bites. Single courses Generic males often try to seize control of a harem group per se. If they fail, it often comes to infanticide, which means that the male children of his predecessor kills to himself testify faster offspring can.

Silver Haubenlanguren are herbivores, feeding on leaves, fruits and seeds. Like all monkeys, they have a multi-chambered Slim stomach for better utilization of food.

Reproduction

The pairing can take place throughout the year. After about six months of gestation, the female gives birth to usually a single young is born. This is like all Haubenlanguren first orange and only takes a few months to the coloration of the adult. Not only the mother but also the other females of the group take care of the young animal. You carry it around, play and cuddle with him. Sexual maturity occurs at four to five years, males must leave their natal group at this time.

System

There are two subspecies: T. c. vigilans lives only on the situated between Borneo and the Malay Peninsula Natuna Islands and is slightly darker. T. c. cristatus, the nominate, lives in the remaining area of ​​distribution.

Together with the Black Haubenlangur, the Tenasserim Langur and the Indochinese Langur forms of Silver Haubenlangur the cristatus group within the genus Haubenlanguren. The latter two species are sometimes performed as its subspecies.