Gibbons are the smallest apes, known for their arm-leaping movements and calls, and are the only great apes that drive away their opponents by their calls, both male and female.
The Malay hornbill, with hollow helmet protrusions on its beak, amplifies its call.
Orangutans forage in trees.
The giant dipterocarp tree, which is sixty meters tall and dominates the forest, is the most insect-diverse tree on Earth.
The Sumatran tiger, the smallest surviving tiger species, has only 400 remaining, preying on monkeys and so on.
Crab-eating macaques, spend most of their time by the river, foraging for crabs, dodging high temperatures, and having a long tail.
The silver langur, which is strictly vegetarian, is dominated by leaves.
Big weasel
Cat monkeys, gliding between giant trees, at distances of up to 140 meters, eat leaves and sap.
The flying lizard, with special ribs, extends the thorax outwards as gliders.
The Bornean pygmy elephant, the smallest elephant species in the world
Borneo pigs love to pick up leftover fruit from monkeys.
Sumatran rhinoceros, the last survivor of the woolly rhinoceros family.
The great king flower, the largest flower in the world, emits a foul odor, also known as carrion flowers, and is a parasitic plant with no rhizomes and leaves, and hosts vine plants.
Spiny ants
Binturong, a close relative of the musk cat.
Brown squirrel with thin fur wings between its limbs.
Fishing cats
The red-rimmed garter snake eats the eggs laid by tree frogs in trees.