Animals in Borneo Rainforest

Updated April 17, 2017

Borneo is located just north of Australia. Much of Borneo consists of rainforests in which all living creatures have learnt to adapt to the ever-changing weather conditions. Animals in the rainforest can survive in both wet and dry conditions. Many have adapted through the years by developing suction cups on their feet and claws to hold onto trees when the rain comes. Due to these biodiverse conditions, many animals in the Borneo rainforest are not found anywhere elsein the world.


Orang-utans are only found on Borneo and northern Sumatra so they are the biggest draw on nature walks and excursions. While other primates exist in Borneo, orang-utans are the most common in the rainforest.


Several large cats roam the rainforest including the leopard, flat-headed cat and bay cat. The most commonly recognised however, is the marbled cat whose caramel marbled colour is easy to spot.

Large Mammals

In Borneo, elephants and rhinos live in the rainforest. The pygmy elephant is smaller, less aggressive and fatter than the average elephant. These are the most common large mammals seen in the rainforest. According to the World Wildlife Federation, there are less than 1,000 pygmy elephants in the world so they are seriously endangered.

Small Mammals

Squirrels, bats, pigs, porcupines, mice, rats, shrews and foxes can all be found here as well. The flying squirrels and flying foxes are the creatures that fascinate most visitors for their ability to leap great distances. The Dayak fruit bat is a rare bat that is vital to the rainforest's ecosystem as it regularly disperses seeds when feeding on fruits.

Reptiles and Amphibians

There are hundreds of species of reptiles and amphibians hiding in the many layers of the rainforest. The Borneo rainforest is best known for its flying species, and flying lizards and flying frogs are commonplace. While they don't literally "fly," they glide and leap long distances. Flying frogs are carnivorous, eating mostly insect and smaller reptiles and amphibians. The Ninja slug is a recently discovered species. The slug has a tail three times as long as its head. It also injects a "love dart" filled with a calcium carbonate into its potential mate.

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