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The Bornean orangutan is more common than the Sumatran, with about 104,700 individuals in the wild, whereas just under 14,000 Sumatran orangutans are left in the wild. [ 1 ] [ 35 ] Orangutans are becoming increasingly endangered due to habitat destruction and the bushmeat trade, and young orangutans are captured to be sold as pets, usually ...
Bonnie (born 1976, in Rio Grande Zoo) is a hybrid female Sumatran/Bornean orangutan living at the National Zoo in Washington, D.C., since 1980. [1] She began spontaneously whistling, mimicking an animal caretaker making the sound. This is significant as whistling is a sound that is in a human's—but not an orangutan's—repertoire.
Orangutans have a median life expectancy of 37.6 years. Dumplin is now the third-oldest Bornean female orangutan in the United States. Columbus Zoo holds 50th birthday party for Dumplin, one of ...
Bornean orangutans are generally more solitary than Sumatran orangutans. [36] Most social bonds occur between adult females and their dependent and weaned offspring. Resident females live with their offspring in defined home ranges that overlap with those of other adult females, which may be their immediate relatives.
Bornean orangutan Martha was "fundamental" to a global conservation breeding programme, zoo says.
On Monday, the theme park announced that the baby orangutan was born via cesarean section to Luna, their resident Bornean orangutan, whom we estimate to be in her late 20s.
Leakey and the National Geographic Society helped Galdikas set up her research camp near the edge of the Java Sea, dubbed "Camp Leakey", to conduct field study on orangutans in Borneo. [2] Before Galdikas's studies, the orangutan was the least understood of the great apes. Galdikas went on to greatly expand scientific knowledge of orangutan ...
The researchers also published less complete copies from ten wild orangutans, five from Borneo and five from Sumatra. The genetic diversity was found to be lower in Bornean orangutans (Pongo pygmaeus) than in Sumatran ones (Pongo abelii), despite the fact that Borneo is home to six or seven times as many orangutans as Sumatra. The comparison ...