Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) male hanging from branch, Assam, India.
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Bernard Castelein / Hoolock Gibbon (Hylobates hoolock) male hanging from a branch. Assam, India, February.
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Kevin Schafer / Western hoolock gibbon (Hoolock hoolock) female with young swinging through tree, Gibbon Wildlife Sanctuary, Assam, India, Endangered species
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Sandesh Kadur / Western hoolock gibbon (Hookock hoolock) female in tree, Assam, India.
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Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) male in tree, Assam, India.
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Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) male in tree, Assam, India.
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Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) in tree,Assam, India.
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Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) in tree,Assam, India.
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Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) feeding in tree, Assam, India.
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Pete Oxford / Hoolock gibbon (Hoolock hoolock) female in trees, Gibbon Wildlife Sanctuary, Jorhat, Assam, North East India.
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Pete Oxford / Hoolock gibbon (Hoolock hoolock) female in trees, Gibbon Wildlife Sanctuary, Jorhat, Assam, North East India.
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Pete Oxford / Konyak Naga head trophy basket. Decorated with Western hoolock gibbon (Hoolock hoolock) and Capped langur (Trachypithecus pileatus) skulls. Mon district. Nagaland, North East India, October 2014.
