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Barbary macaque (Macaca sylvanus), Atlas, Morocco
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Barbary macaque (Macaca sylvanus), Atlas, Morocco
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Southern pig-tailed macaque (Macaca nemestrina), Fraser's Hill, Malaysia
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Southern pig-tailed macaque (Macaca nemestrina) male standing to show his strength and size, Fraser's Hill, Malaysia
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White-thighed surili (Presbytis siamensis), Fraser's Hill, Malaysia
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White-thighed surili (Presbytis siamensis), Fraser's Hill, Malaysia
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Nicobar crab-eating macaque (Macaca fascicularis), Taman Negara National Park, Malaysia
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Dusky leaf monkey (Trachypithecus obscurus), Taman Negara National Park, Malaysia
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Chimpanzee (Pan troglodytes) juvenile, Bossou, Guinea
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Celebes crested macaque (Macaca nigra), Tangkoko Nature Reserve, Sulawesi, Indonesia
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Celebes crested macaque (Macaca nigra), Tangkoko Nature Reserve, Sulawesi, Indonesia
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Celebes crested macaque (Macaca nigra), Tangkoko Nature Reserve, Sulawesi, Indonesia
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Spectral tarsier (Tarsius tarsier), Tangkoko Nature Reserve, Sulawesi, Indonesia
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Sunda sambar (Rusa timorensis) and Nicobar crab-eating macaque (Macaca fascicularis), Rinca, Komodo National Park, Indonesia
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Barbary macaque (Macaca sylvanus) flywatching, Gibraltar
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Barbary macaque (Macaca sylvanus), Gibraltar
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Spectral tarsier (Tarsius tarsier), Gorontalo, Sulawesi, Indonesia