Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male head and shoulders portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) juvenile head and shoulders portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male head portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) sub-adult male head portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male head portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male head portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male head and shoulders sitting portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) female cradling her baby son aged less than 1 month, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) 'alpha' baby female aged about 1 month sitting in a tree, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) female portrait, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) juvenile feeding on coconut husk, Tangkoko National Park, Sulawesi, Indonesia.
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Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male sitting on the forest floor, Tangkoko National Park, Sulawesi, Indonesia.