mardi 30 décembre 2008

Orangutan


The word orangutan means "man of the forest" in the Malay language. The number of orangutan is decreasing, they are endangered mostly because of the deforestation.

Living place : Orangutans are the only great ape who live in Asia. They are native to Indonesia and Malaysia and live in tropical rain forests in the island of Sumatra and Borneo. Orangutans are the most arboreal of great apes, they spend nearly all of their time in trees.

Physical description : They have long and strong arms, twice as long as their legs, and swing from branch to branch with them. An adult male weights 50 - 90kg and grows to about 1,2 - 1,5 m ; an adult female weights 30 - 40 kg and stands aroud 1,1 m.
Orangutans are covered by long reddish-brown hair and they have a large head.

Behaviour : Orangutans are solitary animals. They live alone in large territories and communicate by screaming loudly.

Life span and reproduction : The life span of Orangutans is about 50 years in captivity but in the wild, the life span is only about 30 - 45 years. Orangutans, like humans, don't have a specific season for the reproduction. They are able to reproduce when they are 7 to 10 years old. Females are pregnant for 8.5 to 9 months and give birth to a single baby. The male and female orangutan stay together for only a few days.


Diet : Orangutans are omnivores but mostly herbivorous. Their favorite food are fruits, who represent 65% of their diet. They also eat insects, small animals, flowers, leaves ...

More informations : They are known for their intelligence and for using found objects as tools.



Aucun commentaire: