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The study also found that orangutans evolved at a slower pace than both chimpanzees and humans. [24] A 2017 genome study found that the Bornean and Tapanuli orangutans diverged from Sumatran orangutans about 3.4 mya, and from each other around 2.4 mya.
Deforestation is extremely harmful to orangutans because the forest is their habitat. As this deforestation continues, the orangutans will be exposed to humans more often. This is harmful because it leaves the orangutans vulnerable to poaching. [8] Logging first began occurring in the 1970s for the production of furniture and commercial ...
The birth rate for orangutans has been decreasing largely due to a lack of sufficient nutrients as a result of habitat loss. A 2011 study on female orangutans in free-ranging rehabilitation programs found that individuals that were supplemented with food resources had shorter interbirth intervals, as well as a reduced age, at first birth. [34]
The total number of Bornean orangutans is estimated to be less than 20 percent of what it was 50 years ago (from a population of about 288,500 in 1973 [7] to a population of about 57,350 in 2016 [9]) and this sharp decline has occurred mostly over the past few decades due to human activities and development. [10]
During this time, orangutans still have constant contact with their mothers, yet they develop a stronger relationship with peers while playing in groups. They are still young and act with caution around unfamiliar adults, especially males. At 8 years of age, female orangutans are considered fully developed and begin to have offspring of their own.
A wounded orangutan was seen self-medicating with a plant known to relieve pain. It's the first time an animal has been observed applying medicine to a skin injury.
Until USAID food purchases and deliveries resumed late Monday as part of a waiver, more than 475,000 metric tons of U.S. food commodities − corn and cornmeal, lentils, pinto beans, rice, sorghum ...
The Hominidae (/ h ɒ ˈ m ɪ n ɪ d iː /), whose members are known as the great apes [note 1] or hominids (/ ˈ h ɒ m ɪ n ɪ d z /), are a taxonomic family of primates that includes eight extant species in four genera: Pongo (the Bornean, Sumatran and Tapanuli orangutan); Gorilla (the eastern and western gorilla); Pan (the chimpanzee and the bonobo); and Homo, of which only modern humans ...