Vulnerable primate species wild Northern Pig tailed Macaque scratching its itchy balls and smell the remains off the prehensile feet on a tree caught in camera

northern pig tailed macaque macaca leonina primate monkey species cercopithecidae thailand animalia chordata mammalia haplorhini simiiformes vulnerable mascara climber climb tree tropical forest southeast asia habitat conservation site wild wildlife animal itchy balls evergreen prehensile feet smelly scratch smell sexual dimorphism outdoors national park khao yai national geographic nature natural wilderness mammal quadrupeds fur close up macro macaque