Northern Pig-tailed Macaque, Macaca leonina seen carefully grooming the legs and belly its child on the ground as its male organ sticks out like a pink twig, Khao Yai National Park, Thailand

northern pigtailed macaque primates macaque grooming monkeys macaca primate feeding macaca leonina monkey old world monkey khao yai national park apes mammals foraging wildlife conservation animals vulnerable species tropical animals bangladesh behavior mother cambodia frugivorous simiiformes child afternoon sitting nature troop thailand unesco world heritage vulnerable haplorhini green jungle grass cercopithecidae tropical forest jungle ambience vegetation habitat forest summer hot rainforest china