Close-up of a wild Japanese macaque chewing nuts while looking straight into the camera

snow monkey animal chewing eating food seeds nuts japan japanese macaque macaca fuscata omnivorous native terrestrial species intelligent behavior behaviour park kyoto attraction wild closeup brown fur pinkishred face sexual dimorphic semiterrestrial habitat matrilineal social structures hierarchy research neuroscience distribution nonhuman primate protection sanctuary outdoor nature no people wildlife daytime sunny humanlike looking into camera