There Are Twice As Many Sumatran Orangutans As We Thought
Orangutans live in two places : Borneo and Sumatra . In 2004 , we thought there were only 6,600 Sumatran Pongo pygmaeus ( Pongo abelii ) left in the wilderness , but this calendar week , investigator conducting nest sight on the Indonesian island report a new dumbfounding idea : 14,613 Sumatran orangs in 2015 . Unfortunately , this higher idea does n’t contemplate an factual step-up in the population – rather , it ’s due to a more wide - ranging study exertion that get hold orangs in places that were n’t previously canvassed ....