Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Tata' and her unnamed baby aged 2-3 months portrait. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Reh...
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Ingo Arndt / Orang utan male portrait, wild {Pongo pygmaeus} Tanjung Puting National Park, Central Borneo
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Ingo Arndt / Sumatran orang utan feeding on termites {Pongo pygmaeus abelii} Sumatra, Indonesia
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Ingo Arndt / Orang utan hand holding branch close-up {Pongo pygmaeus abelii} Sumatra, Indonesia
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Gerry Ellis / Orangutan (Pongo pygmaeus) sub-adult male in trees in haze caused by forest clearing, West Kalimantan, Borneo, Indonesia. October, 2015
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Cyril Ruoso / Sumatran orangutan (Pongo abelii) baby reaching up to mother's hand, Gunung Leuser National Park, Sumatra, Indonesia.
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Cyril Ruoso / Sumatran orangutan (Pongo abelii) female holding hands with baby whilst hanging from liana. Gunung Leuser National Park, Sumatra, Indonesia.
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Sean Crane / Orangutan (Pongo pygmaeus) juvenile investigating camera, Tanjung Puting National Park, Borneo, Indonesia
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Hiroya Minakuchi / Sumatran Orangutan (Pongo abelii) juvenile playing with branch, native to Sumatra
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Roland Seitre / Orangutan (Pongo pygmaeus) female, native to Borneo
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Jabruson / 'Kith' / 'Kin' Sumatran orangutan (Pongo abelii) captive animal in walled enclosure, Perth Zoo, Western Australia, August 2001.
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Fiona Rogers / Sumatran orangutan (Pongo abelii) female 'Sandra' aged 22 years portrait. Gunung Leuser National Park, Sumatra, Indonesia. Apr 2012. Rehabilitated and released (or descended from those which were rele...