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Sumantran orangutan spotting on our second day of trekking through the north ...
A habituated orangutan in Bukit Lawang National Park in northern Sumatra (an ...
Classified in the genus Pongo Sumatran ...
Found this big male while trekking on my second trip to Northern Sumatra
This little Sumatran orangutan was playing with a strap of fabric as its father ...
This mature female had a young playful baby to care for, but spent this ...
Sumatran orangutans are thinner than the Borneo species, and have paler red ...
One of 2 kind otangutans that live in Indonesia.
an undeveloped adult male sumatran orangutan. there are two forms of adult male ...
This is the critically endangered Sumatran Orangutan, that I had the ...
This guy lives at the Oregon Zoo, he's name is Harry. Harry is quite the ...
An adult Orangutan with his distinctive cheek pads and reddish-brown hair.
The Sumatran orangutan grows to about 1.4 metres (4.6 ft) tall and 90 kilograms ...
This is Bonnie, she is a Sumatran orangutan. Orangutan in the native langue of ...
There are two sub-species of orangutans, the Sumatran and the Bornean. ...
Orangutan....in Malay is 'orang', meaning person, 'hutan', meaning forest, ...