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The rate of deforestation during this time directly correlates with the decrease in orangutan population, as the species cannot survive in other areas. It is estimated that since 1950, the orangutan population has declined by 60%. [24] Between 1999 and 2015, the population of Bornean orangutans decreased by 100,000 individuals. [2]
Exact population counts are difficult to ascertain, but the World Wildlife Fund estimates there are only 120,000 orangutans left in the wild across all species. They have a low reproductive rate ...
A 2016 study estimates a population of 14,613 Sumatran orangutans in the wild, twice that of previous population estimates, [131] while 2016 estimates suggest 104,700 Bornean orangutans exist in the wild. [119] A 2018 study found that Bornean orangutans declined by 148,500 individuals from 1999 to 2015. [132]
Population Status Trend Notes Image Hainan black crested gibbon: Nomascus hainanus: 20–50 [1] CR [1] [1] Population was estimated at over 2,000 in the late 1950s. [1] Eastern black crested gibbon: Nomascus nasutus: 45–47 [2] CR [2] [2] Previously thought to be possibly extinct. Numbers may be higher. [2] Cat Ba langur: Trachypithecus ...
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.
"Bornean Orangutans decreased by more than 60% between 1950 and 2010, and a further 22% decline is projected to occur between 2010 and 2025," the organization explains, which "equates to a loss of ...
Sumatran orangutan (Pongo abelli) Hominoidea is a superfamily of primates. Members of this superfamily are called hominoids or apes, and include gorillas, chimpanzees, orangutans, gibbons, bonobos, and humans. Hominoidea is one of the six major groups in the order Primates. The majority are found in forests in Southeastern Asia and Equatorial Africa, with the exception of humans, which have ...
A century ago, there were probably more than 230,000 orangutans in total, but now, the organization states the Bornean orangutan is estimated at about 104,700 (classified as endangered) and the ...