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They have a low reproductive rate, giving birth only once every 5-10 years, making it difficult to increase their numbers. However, the discovery of a previously unknown orangutan population in ...
Orangutans are viewed as easy targets, according to hunters, because of their typically large size and lack of speed. [15] Sumatran, Tapanuli and Bornean orangutans are killed at a high rate for many reasons, the most common being the trade of meat or because farmers believe they are a threat to their crops. [16]
There are three types of orangutans left in the world. The Bornean, the Tapanuli and the Sumatran. It’s believed that there are only 14,000 individual Sumatran orangutans left in the wild.
Male Sumatran orangutans grow to about 1.7 m (5.6 ft) tall and 90 kg (200 lb), while females are smaller, averaging 90 cm (3.0 ft) and 45 kg (99 lb). Compared to the Bornean species, Sumatran orangutans are thinner and have longer faces; their hair is longer and has a paler red color. [5]
Compared to their relatives in Borneo, Sumatran orangutans are more slender with paler and longer hair and a longer face. [36] Tapanuli orangutans resemble Sumatran orangutans more than Bornean orangutans in body build and hair colour. [21] They have shaggier hair, smaller skulls, and flatter faces than the other two species. [44]
A critically endangered Sumatran orangutan in New Orleans has given birth to a healthy male baby, but his twin brother died in the womb, officials at the Audubon Zoo said Monday. Twelve-year-old ...
An orangutan peeling a banana with its hand and foot. The Bornean orangutan diet is composed of over 400 types of food, including wild figs, durians (Durio zibethinus and D. graveolens), [29] leaves, seeds, bird eggs, flowers, sap, vines, [30] honey, fungi, spider webs, [30] insects, and, to a lesser extent than the Sumatran orangutan, bark.
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