Northern Pig-tailed Macaque, Macaca leonina a young individual seen from its back while sitting on the grass in Khao Yai National Park, Thailand

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