Sebastian Kennerknecht / Red Leaf Monkey (Presbytis rubicunda) female and male, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Stick Insect (Phasmatidae) camouflaged on sapling, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Red Leaf Monkey (Presbytis rubicunda) in tree, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Sunbeams penetrating through lowland rainforest canopy, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Crimson Sunbird (Aethopyga siparaja) male, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Meranti (Dipterocarpaceae) tree buttress root in lowland rainforest, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Long-tailed Macaque (Macaca fascicularis) juvenile climbing down leaf, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Long-tailed Macaque (Macaca fascicularis) looking at light, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Sunda Clouded Leopard (Neofelis diardi) male in lowland rainforest at night, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Sunda Clouded Leopard (Neofelis diardi) male in lowland rainforest at night, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Malayan Porcupine (Hystrix brachyura) in lowland rainforest at night, Tawau Hills Park, Sabah, Borneo, Malaysia

Sebastian Kennerknecht / Pacific Swallow (Hirundo tahitica) biologist Tim Salzman drawing blood for metabolic analysis research, Tawau Hills Park, Sabah, Borneo, Malaysia