Dusky leaf monkey, spectacled langur, trachypithecus obscurus, lounging on treetop, sheltered beneath the green canopy in its natural forest habitat, curiously wondering around the surroundings

dusky leaf monkey trachypithecus obscurus spectacled langur primate species cercopithecidae singapore malaysia thailand tree animal wild wildlife nature natural habitat tropical forest jungle endangered conservation fur black white eye southeast asia environment rainforest park zoo national canopy branch lush rest lounge crotch shelter sit green perch curious wonder look indonesia