The Danum Valley dense Dipterocarp rainf forest is home to the full range of Sabah's lowland fauna, including a wide range of endangered mammals, primates, birds, insects and reptiles.
Mammals and Primates
More than 120 mammal species can be found within the Danum Valley including all of the 10 species of sabah's primates.
Orang utans, red leaf monkeys, long tail macaques and bornean gibbons can often be spotted searching for food among the fig trees during fruiting season.
The forest is also rich in other large mammals such as elephants, sun bears, clouded leopards, bearded pigs and several species of dear such as the mouse deer.
Over 300 species of bird have been recorded in Danum Valley:
Rhinoceros Hornbill, Wrinkled Hornbill, Helmeted Hornbill, Wreathed Hornbill, Oriental Pied Hornbill, White Crowned Hornbill, Bushy Crested Hornbill, Imperial Pigeon, Black Hornbill, Barbet, Leaf-Bird, Sun Birds, Black-throated Babblers, Bornean babbler, Bulbuls, Blue-headed Pitta, Giant Pitta, Black-and-crimsom Pitta, Bornean Bristlehead, Banded Pitta, Great Argus Pheasant, Chestnut-necklaced Partridge, Crested Fireback Pheasant, Red-bearded Bee-eater, Diard's Trogon, Red-napped Trogon, Scarlet-rumped Trogon, Blue-crowned Hanging Parrots, Blue-rumped Parrot, Fiery Minivet, Malaysian Blue Flycatcher, Large-billed Flycatchers, Buffy Fish Owl, Brown Wood-owl, Crested Wood Partridge, White Fronted Falconet, Bornean Ground-cuckoo, and many more.
There are more that 60 amphibian species including the rare Wallace's flying frog, Bornean horned frog and the emerald and harlequin tree frogs.
There are more that 75 reptile species including turtles, agamid lizards, skinks, monitor lizards, geckos and some snakes such as cobras, pythons, vipers and coral snakes.
Moths and Butterflies
There are probably more than 6,000 species of moth and at least 350 species of butterfly.
Many amazing and colorful insects inhabitate the ecosystem of the Danum Valley.
The Danum forest is dominated by dense Dipterocarp trees. There are also 10,000 species of higher plants.
Other Rare Wildlife
Sumatran Rhino, Clouded Leopard, Benten Elephant, Western Tarsier, Malayan Sun Bear, Spectacle Flower Pecker (newly discovered bird species).