Javan surili

Java langur ( Presbytis comata )

The Java langur ( Presbytis comata, formerly P. aygula ) is a primate of the group of monkeys Slim ( Presbytini ). There are two subspecies distinguished, P. c. comata and P. c. fred ericae that sometimes get the rank of its own species.

Features

Java langurs are like all Mützenlanguren relatively small, slender monkey with very long tail. Their average weight is around 6.5 kg. The face is broad, at the top of the head is a head of hair. With regard to the coat color, the subspecies differ: P. c. comata is on the back and on the outside of the limbs gray, the belly and the inside of the limbs are whitish, the head of hair is black. P. c. fred ericae is darker. In this subspecies the back black, the throat and the chest is light gray and the belly and the insides of the limbs white.

Distribution and habitat

Java langurs are found only on the island of Java, where P. c. comata the western and P. c. fred ericae inhabited the central parts of the island. Their habitat is forests, both between levels and mountain forests up to 2000 meters altitude. You can live here, both in primary and in secondary forests.

Way of life

Like all Old World monkeys are Java langur diurnal. They keep almost exclusively to the trees, where they move through skillful climbing and even by jumping. These primates live in groups of 3 to 20 animals, which are composed of one male, several females and the corresponding offspring. During locomotion, feeding and sleeping, the group members remain together closely, however, the groups sometimes also share for a short time. There are territorial animals. Although overlap the home range of the individual groups, foreign groups over they behave aggressively, however.

There are herbivores, take the predominantly young leaves to itself. In addition, they also eat fruits, flowers, mature leaves and mushrooms. A multi-chamber stomach helps them in digestion of food.

Threat

Your home island of Java is very densely populated by humans, so their range has been greatly reduced and fragmented. Main threat is the destruction of their habitat. An estimate from 1999 puts the total population to less than 2,500 animals. The IUCN, which leads both subspecies as separate species, P. comata lists as " high risk " ( endangered ) and P. fred ericae under "too little data available ".