orangutan, gunun leuser nat. park, bukit lawang, sumatra island, indonesia

animal ape wildlife rainforest primate orangutan indonesia jungle wild asia mammal forest tree sumatra monkey bukit tropical orange portrait male hanging nature endangered face hairy lawang species asian adult park sumatran orang orangutang travel juvenile swinging big national rehabilitation indonesian wilderness hair pongo southeast natural abelii female cute fur liana gunun leuser nat island