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Sumatran orangutan

Pongo abelii


an undeveloped adult male sumatran orangutan. there are two forms of adult male orangutan, both capable of siring offspring. the undeveloped morph as seen here is commonly referred to, incorrectly, as sub-adult. you can just see on these photos, the beginning of the fatty cheek pads and a throat pouch.


tropical rainforest

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Spotted on Oct 10, 2007
Submitted on Dec 3, 2012

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