Edwin Giesbers / Saltwater crocodile (Crocodylus porosus) close up portrait, Sarawak, Borneo, Malaysia

Chien Lee / Minden / Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4

Chien Lee / Rough Tree Frog (Theloderma horridum) camouflaged on bark, Kuching, Sarawak, Borneo, Malaysia

Chien Lee / Bornean Smaller Flying Frog (Rhacophorus borneensis), Kubah National Park, Sarawak, Malaysia

Chien Lee / Painted Indonesian Treefrog (Nyctixalus pictus), Lundu, Sarawak, Malaysia

Chien Lee / Red-headed Krait (Bungarus flaviceps) in rainforest, Santubong National Park, Sarawak, Borneo, Malaysia

Michel Roggo / Fishes in the Sungai Melinau river, Gunung Mulu National Park, Sarawak, Borneo, Malaysia. Photographed for The Freshwater Project.

Christophe Courteau / Long-tailed macaques (Macaca fascicularis) grooming, with baby playing nearby, Bako NP, Sarawak, Borneo, Malaysia.

Chien Lee / Flying Fish (Exocoetidae) taking flight from surface, Sarawak, Borneo, Malaysia

Chien Lee / Asian Horned Frog (Megophrys nasuta) female, Gunung Penrissen, Sarawak, Borneo, Malaysia

Chien Lee / Wallace's Flying Frog (Rhacophorus nigropalmatus), Gunung Penrissen, Sarawak, Borneo, Malaysia

Chien Lee / Buttress roots on rainforest tree, Mulu National Park, Sarawak, Borneo, Malaysia