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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Matthew Maran / Delacour's langur (Trachypithecus delacouri) feeding on leaves, Ninh Binh, Vietnam, 2018.
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Matthew Maran / Delacour's langur (Trachypithecus delacouri) running across the side of a cliff, Ninh Binh, Vietnam, 2018.
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Matthew Maran / Delacour's langur (Trachypithecus delacouri) running across the side of a cliff, Ninh Binh, Vietnam, 2018.
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Matthew Maran / Delacour's langur (Trachypithecus delacouri) walking across a cliff face, stopping to rest with another langur nearby, Ninh Binh, Vietnam, 2018.
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Matthew Maran / Delacour's langur (Trachypithecus delacouri) leaping from a cliff face into trees, Ninh Binh, Vietnam, 2018.
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Matthew Maran / Delacour's langur (Trachypithecus delacouri) walking down a cliff, Ninh Binh, Vietnam, 2018.
