Proboscis Monkey (Nasalis Larvatus)

Proboscis Monkey (Nasalis Larvatus)

- in Mammal, Endemic, Fauna

ITS–G-96-1-bekantanThe Proboscis monkey, called in Indonesian bekantan, has a strikingly different look  from other monkeys because of its long nose. It is also known as Monyet  Belanda (the Dutchman monkey). Two main characteristics of this species are its large, long and red nose and its penchant for frolicking in water.

There are two different species in Indonesia, respectively one in Borneo called Bekantan Kahau (Nasalis larvatus) and the other in South Pagai, Sipora, Siberut and the Mentawai islands called Bekantan Simakabu (Nasalis concolor). The species from Borneo has a longer nose than the other species. It is not clear what advantages the monkey gains from its strange nasal appendage because it even has to push it aside to feed properly. Some zoologists say it is simply attractive to female proboscis monkeys. The Males nose is more developed than the females.

A male’s body may reach between 66 and 76 centimetres long, the female’s between 53 and 61 centimetres long excluding the tail which may measure between 56 and 76 centimetres long. The male weighs from 16 to 22.5 kilograms, the female from seven to 11 kilograms.

Scientific Classification:

Kingdom         : Animalia

Phylum            : Chordata

Class                : Mammalia

Order               : Primates

Family             : Cercopithecidae

Genus              : Nasalis

Species            : N. Larvatus

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