| Information is so scanty regarding the hoolock gibbon and the white-cheeked gibbon that their conservation status is not even defined. |
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| Rare hoolock gibbons and capped langurs can be seen in the forests, and birds include giant hornbills and Bengal floricans. |
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| For a strictly arboreal species like the hoolock gibbon, a gap in the canopy is like a roadblock. |
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| The hoolock gibbon is a frugivorous species, but will also consume immature leaves, flowers, and invertebrates. |
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| The Fakim Sanctuary, close to the Myanmar border, is inhabited by tigers and hoolock gibbons. |
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| The world of the hoolock gibbons in the Borajan reserve forest in Assam is dying, thanks to illegal tree-felling. |
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| Male hoolock gibbons are black, while the females are variable in color, ranging through black, grey, and brown, with a white band across the forehead. |
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| The principal chief conservator of forests had recently said hoolock gibbons were abundantly available in Assam and there was no need to raise a hue and cry to protect them. |
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| Northern and eastern Bangladesh is home to the Asian elephant, hoolock gibbon, Asian black bear and oriental pied hornbill. |
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| The chimpanzees and the hoolock gibbons are taken inside the enclosure after 11 am as the temperature rises after that and they cannot bear the heat. |
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| Hoolock Gibbon is the only species of ape to be found in India. |
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| Freida meets a man who has dedicated his life to the Hoolock gibbon, India's only ape, which starts the morning by singing. |
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