Sanctuary

The stump-tailed macaques spend most of their day walking across the dense rainforest floors of Hollongapar Gibbon Sanctuary. They only return to trees to search for food, or sleep. But foraging the forest floor makes them vulnerable to leopards and other predators. To save themselves, they hurriedly, stuff food in their expandable cheek pouches. If danger approaches, they quickly escape with the loot.

The western hoolock gibbon is most commonly recognised by its song. From the heights of the forest canopy, the western hoolock gibbon produces a loud, elaborate song, that often ends in a spectacular crescendo