There is a special species of Bornean gibbon here, and you will get to see some of them up close.

BBC: Drifting down the Sekonyer

This leopard is now known as the Sunda or Sundaland clouded leopard (Neofelis diardi), though it was previously and erroneously called the Bornean clouded leopard.

BBC: Earth News - Clouded leopard: First film of new Asia big cat species

Despite being a commercial forest that is sustainably logged for wood, the Dermakot Forest Reserve in Sabah, which is an area of approximately 550km square kilometres, holds all five wild Bornean cat species.

BBC: Earth News - Clouded leopard: First film of new Asia big cat species

Other small carnivores caught on camera were the Sunda stink-badger (Mydaus javanensis), and two species of mongoose, the very common Short-tailed mongoose (Herpestes brachyurus) and the Collared mongoose (H. semitorquatus), and all three Bornean otter species, the Smooth-coated otter (Lutrogale perspicillata), Asian small-clawed otter (Aonyx cinereus) and the extremely elusive Hairy-nosed otter, considered to be the world's rarest otter.

BBC: Earth News - Rare Otter civet filmed for first time in Borneo