Northern pig tailed macaque Macaca leonina spotted on a tree branch looking distance, turn its head and look straight into the camera in a tropical forest in Khao Yai National Park Thailand, Asia

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