Despite their somewhat fragile appearance, they are strong and have 4 times the strength of humans, mainly in their upper body. The Orangutan has large laryngeal sacs which can be inflated and deflated at will and used for long-distance calls whilst travelling through the leafy canopy. Sexual maturity for females occurs when fully grown at the age of 12 although the first offspring will not typically be born until they are 15. Male maturity is reached at the age of 15. The mother generally only gives birth to one baby at a time, after a pregnancy of 8 to 9 months.
Twins are rare.
The mother creates a very strong bond with the baby and must nurse and train it for up to three years and will typically have an interval of 7 to 8 years before reproducing again. Solitary by nature as each must forage over a large area to secure food except when mating or as a mother with young. Help Us to Help Them - Join Sahabat Satwa today . Click here for more information.