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

Chien Lee / Lesser Short-nosed Fruit Bat (Cynopterus brachyotis) carrying fig, Kuching, Sarawak, Borneo, Malaysia

Chien Lee / Lesser Short-nosed Fruit Bat (Cynopterus brachyotis) approaching figs to feed on, Kuching, Sarawak, Borneo, Malaysia

Chien Lee / Horsfield's Tarsier (Cephalopachus bancanus borneanus), Kuching, Malaysia

Fiona Rogers / Silvered Leaf Monkey (Trachypithecus cristatus) mother with five month old baby, Bako National Park, Sarawak, Borneo, Malaysia

Anup Shah / Silvered Leaf Monkey (Trachypithecus cristatus) mother with week old baby in tree, Bako National Park, Sarawak, Borneo, Malaysia

Anup Shah / Silvered Leaf Monkey (Trachypithecus cristatus) female holding week old baby after it was handled roughly by another female, Bako National Park, Sarawak, Borneo, Malaysia

Anup Shah / Bearded Pig (Sus barbatus) male in defensive posture, Bako National Park, Sarawak, Borneo, Malaysia

Anup Shah / Long-tailed macaque (Macaca fascicularis) baby aged 2-4 weeks clinging to its mothers back. Bako National Park, Sarawak, Borneo, Malaysia.

Juergen Freund / Forest seedling growing in the Bornean forest. Gunung Gading National Park, Sarawak, Malaysian Borneo

Christophe Courteau / Proboscis monkey (Nasalis larvatus) male preparing to jump. Low tide in the mangroves, Bako National Park, Sarawak, Borneo, Malaysia

Christophe Courteau / Proboscis monkey (Nasalis larvatus) female in mangroves, carrying her baby on her front. Bako National Park, Sarawak, Borneo, Malaysia

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) mature male feeding on leaves, head portrait. Bako National Park, Sarawak, Borneo, Malaysia, April.

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) mature male head and shoulders portrait. Bako National Park, Sarawak, Borneo, Malaysia, April. Did you know? A Proboscis monkey's nose can reach up to a quarter of...

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) jumping through the forest canopy. Bako National Park, Sarawak, Borneo, Malaysia, April.

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) sub-mature male sitting in a tree. Bako National Park, Sarawak, Borneo, Malaysia, March.

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) sub-mature male sitting in a tree. Bako National Park, Sarawak, Borneo, Malaysia, March.

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) male walking on the mudflats of a mangrove swamp revealed at low tide. Bako National Park, Sarawak, Borneo, Malaysia, March.

Anup Shah / Proboscis monkey (Nasalis larvatus) male walking along a branch high in the forest canopy, Bako National Park, Sarawak, Borneo, Malaysia, March

Anup Shah / Proboscis monkey (Nasalis larvatus) male feeding on leaves, Bako National Park, Sarawak, Borneo, Malaysia, April

Anup Shah / Proboscis monkey (Nasalia larvatus) mature male sitting in a tree, Bako National Park, Sarawak, Borneo, Malaysia, April

Anup Shah / Proboscis monkey (Nasalia larvatus) juvenile sitting in mangrove tree, Bako National Park, Sarawak, Borneo, Malaysia, April

Anup Shah / Proboscis monkey (Nasalis larvatus) male walking across the mudflats of a mangrove swamp revealed at low tide with the sea in the background, Bako National Park, Sarawak, Borneo, Malaysia, March

Anup Shah / Proboscis monkey (Nasalis larvatus) young male swimming across a river to reach a new feeding area, Bako National Park, Sarawak, Borneo, Malaysia, April

Anup Shah / Male Proboscis monkey (Nasalis larvatus) jumping through the forest canopy, Sequence 3/5. Bako National Park, Sarawak, Borneo, Malaysia, March 2010.

Anup Shah / Sub-mature male Proboscis Monkey (Nasalis larvatus) swinging from a liana. Bako National Park, Sarawak, Borneo, Malaysia, April 2010.

Fiona Rogers / Head portrait of mature male Proboscis Monkey (Nasalis larvatus) feeding on leaves. Bako National Park, Sarawak, Borneo, Malaysia, April 2010.

Anup Shah / Troop of Proboscis Monkeys (Nasalis larvatus) walking on their hindlegs through the mudflats revealed at low tide. Bako National Park, Sarawak, Borneo, Malaysia, March 2010.

Anup Shah / Female Proboscis monkey (Nasalis larvatus) carrying a baby under her belly and jumping. Bako National Park, Sarawak, Borneo, Malaysia, April 2010.

Jouan & Rius / Stick insect (Diesbachia tamyris) female with wings open, rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Stream running through rainforest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Two Lanternflies (Purops intricata) on rainforest tree, Borneo, Sarawak, Malaysia

Jouan & Rius / Shadow of woman examining sheet with insects attracted to light, rainforest, Borneo, Sarawak, Malaysia. Model released *NB Not available for book cover use in France until September 2015.

Jouan & Rius / Proboscis monkey (Nasalis larvatus) moving through mangrove forest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Tropical rainforest interior with stream, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Nocturnal butterfly in rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Rafflesia flower (Rafflesia keithii) in Gunung Gading NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Palm trees (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Jouan & Rius / View up through Palm trees in swamp forest, Borneo, Sarawak, Malaysia

Jouan & Rius / Reflections in swamp forest, Gunung Mulu NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Praying mantis defensive display, Similajau NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Ground pitcher plant (Nepenthes ampullaria) flowering in Heath / Kerangas forest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Ground pitcher plant (Nepenthes ampullaria) flowering in Heath / Kerangas forest, Bako NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Rafflesia flower (Rafflesia keithii) in Gunung Gading NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Cup fungi on decaying wood in rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Fruit and seed in tropical rainforest, Borneo, Sarawak, Malaysia

Jouan & Rius / Palm leaves (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Chien Lee / Waterfalls draining remote highland plateau, Lawas, Sarawak, Borneo, Malaysia

Chien Lee / Spotted-winged Fruit Bat (Balionycteris maculata) roosting, Bukit Sarang Conservation Area, Bintulu, Borneo, Malaysia

Edwin Giesbers / Bearded pig (Sus barbatus) close-up of eye and ear, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Rafflesia (Rafflesia keithii) the worlds largest known flower, Gunung Gading National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Aman. He is the first orangutan in the world to have his eye sight restored . Matang wildlife centre, Sarawak, Borneo, Malaysia, June...

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Aman. He is the first orangutan in the world to have had his cataracts operated on and his eye sight restored. Matang wildlife centre,...

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Aman. He is the first orangutan in the world to have had his cataracts operated on and his eye sight restored. Matang wildlife centre,...

Edwin Giesbers / Orb Weave spider (Argiope sp.) weaving web, Sarawak Borneo, Malaysia, June

Edwin Giesbers / Orang utan baby (Pongo pygmaeus) head portrait, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby hanging from trees, and chewing on fingers, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby sleeping in the arms of an adult, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) portrait of mother and baby, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Richie, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) portrait, swinging, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Long-tailed / Crab-eating macaque (Macaca fascicularis) head portrait of baby, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Two Long-tailed / Crab-eating macaques (Macaca fascicularis) foraging on coastline at low tide, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Four Long-tailed / Crab-eating macaques (Macaca fascicularis) foraging on coastline in shallow water with waves, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Proboscis Monkey (Nasalis larvatus) female sitting in tree, partially framed by soft focus leaves in foreground, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Proboscis Monkey (Nasalis larvatus) female sitting in tree, partially obscured by soft focus leaves in foreground, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Proboscis Monkey (Nasalis larvatus) female sitting in tree, partially obscured by soft focus leaves in foreground, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Long-tailed / Crab-eating macaque (Macaca fascicularis) foraging on coastline, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Termite (Hospitalitermes sp.) colony, with individuals moving in different directions, Sarawak, Borneo, Malaysia

Edwin Giesbers / Two Saltwater crocodiles (Crocodylus porosus) with heads raised out of water, Sarawak, Borneo, Malaysia

Edwin Giesbers / Orang utan baby (Pongo pygmaeus) head portrait, lying against adult, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby climbing in branches of tree, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) portrait, silhouetted against sky on tree branch, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Two Long-tailed / Crab-eating macaques (Macaca fascicularis) foraging along coastline in shallow water, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Long-tailed / Crab-eating macaque (Macaca fascicularis) feeding in darkness before dawn, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Asian giant forest scorpion (Heterometrus longimanus) with tail raised, Sarawak, Borneo, Malaysia

Edwin Giesbers / Orangutan baby (Pongo pygmaeus) head portrait of baby, Semengoh Nature reserve, Sarawak, Borneo, Malaysia. Endangered.

Edwin Giesbers / Two Malaysian box turtles (Cuora amboinensis) with heads above water, Sarawak, Borneo, Malaysia

Edwin Giesbers / Fanged pitcher plant (Nepenthes bicalcarata) on white background, Sarawak, Borneo, Malaysia

Tim Laman / Rufous-sided sticky frog (Kalophrynus pleurostigma) on the ground in the lowland rainforest, Bako National Park, Sarawak, Borneo, Malaysia

Tim Laman / A waterfall in the lowland rainforest of Borneo, with pool surrounded by ferns and other plants. Lambir Hills National Park, Sarawak, Malaysia.

Tim Laman / A waterfall in the lowland rainforest of Borneo, with pool surrounded by ferns and other plants. Lambir Hills National Park, Sarawak, Malaysia.

Chien Lee / Shrub Frog (Philautus sp) inside Pitcher Plant (Nepenthes hurrelliana) in montane forest, Mount Murud, Sarawak, Malaysia

Tim Laman / Aerial view of rivers and mangrove forest. Sarawak Mangrove Reserve, Sarawak, Borneo, Malaysia. June 2006

Tim Laman / Aerial view of rivers and mangrove forest. Sarawak Mangrove Reserve, Sarawak, Borneo, Malaysia. June 2006