Fiona Rogers / Bornean Orang-utan (Pongo pygmaeus wurmbii) female baby 'Petra' aged 12 months hanging upside down from her mother. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia, Ju...
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Rod Williams / Male Red-backed Bearded saki monkey (Chiropotes chiropotes) captive, from Venezuela
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Edwin Giesbers / Proboscis Monkey (Nasalis larvatus) female sitting in tree, partially obscured by soft focus leaves in foreground, Bako National Park, Sarawak, Borneo, Malaysia
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Edwin Giesbers / Proboscis Monkey (Nasalis larvatus) female sitting in tree, partially obscured by soft focus leaves in foreground, Bako National Park, Sarawak, Borneo, Malaysia
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LYNN M. STONE / Hungarian Vizsla portrait amongst autumn foliage, Connecticut, USA
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Petra Wegner / Norfolk Terrier portrait sitting in autumn foliage
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Ingo Arndt / Orang utan baby portrait {Pongo pygmaeus} Tanjung Puting National Park, Central Borneo
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Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) female 'Fanni' aged 30 years head and shoulders portrait. Gombe National Park, Tanzania.
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Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) male 'Faustino' aged 22 years resting on a fallen branch. Gombe National Park, Tanzania.
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Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) adolescent female 'Glitter' aged 13 years head and shoulders portrait. Gombe National Park, Tanzania.
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Roland Seitre / Purple-necked rock-wallaby (Petrogale purpureicollis) on rock, Australia.