Matthew Maran / Delacour's langurs (Trachypithecus delacouri) resting, Van Long Nature Reserve,Ninh Binh, Vietnam. Critically endangered
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Fiona Rogers / Dusky leaf monkey (Trachypithecus obscurus) baby on a branch . Khao Sam Roi Yot National Park, Thailand. March 2015.
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Fiona Rogers / Dusky leaf monkey (Trachypithecus obscurus) juvenile portrait . Khao Sam Roi Yot National Park, Thailand. March 2015.
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Anup Shah / Dusky leaf monkey (Trachypithecus obscurus) juvenile yawning . Khao Sam Roi Yot National Park, Thailand. March 2015.
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Anup Shah / Dusky leaf monkeys (Trachypithecus obscurus) in tree, one holding baby . Khao Sam Roi Yot National Park, Thailand.
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Anup Shah / Dusky leaf monkey (Trachypithecus obscurus) baby playing . Khao Sam Roi Yot National Park, Thailand.
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Thomas Marent / Golden Langur (Trachypithecus geei), Chakrashila Wildlife Sanctuary, Assam, India
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Sandesh Kadur / Female Golden langur (Trachypithecus geei) stripping fibres from and feeding on Coconut palm (Cocos nucifera) leaf fronds, Manas, Kokrajhar, Assam, India
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Fiona Rogers / Silvered Leaf Monkey (Trachypithecus cristatus) mother with five month old baby, Bako National Park, Sarawak, Borneo, Malaysia
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Anup Shah / Silvered Leaf Monkey (Trachypithecus cristatus) mother with week old baby in tree, Bako National Park, Sarawak, Borneo, Malaysia
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Anup Shah / Silvered Leaf Monkey (Trachypithecus cristatus) female holding week old baby after it was handled roughly by another female, Bako National Park, Sarawak, Borneo, Malaysia
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Roland Seitre / Capped Langur (Trachypithecus pileatus) in tree, India
