Adult, Animal, Arboreal, Asia, Bekantan, Borneo, Cercopithecidae, Day, Eating, Endangered, Endangered Species, Feeding, Female, Full Length, Horizontal, Kinabatangan River, Long-nosed Monkey, Malaysia, Mammal, Monkey, Nasalis larvatus, Nasalis sp, Nobody, Old World Monkey, One Animal, Outdoors, Primate, Proboscis Monkey, River, Sabah, Side View, Southeast Asia, Wildlife