Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) group drinking from village tap, Jodhpur, Rajasthan India
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Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) drinking from village tap, Jodhpur, Rajasthan India
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Bernard Castelein / Zanzibar / Kirks Red Colobus monkey (Procolobus kirkii) sitting on forest floor, Jozani Chwaka Bay NP, Zanzibar, Tanzania
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Bernard Castelein / Zanzibar / Kirks Red Colobus monkey (Procolobus kirkii) sitting in tree canopy, Jozani Chwaka Bay NP, Zanzibar, Tanzania
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Bernard Castelein / Speed warning sign near Jozani Chwaka Bay NP, Zanzibar, Tanzania, to protect Zanzibar Red Colobus monkeys (Procolobus kirkii)
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Bernard Castelein / Zanzibar / Kirks Red Colobus monkey (Procolobus kirkii) looking down from tree, Jozani Chwaka Bay NP, Zanzibar, Tanzania
