close up to face of dominant male, bornean orangutan (pongo pygmaeus) with the signature developed cheek pads that arise in

adorable adult animal ape big black bored bornean boss cheek cute dominant ecology emotion expression eyes face furry grass green hair hairy jungle large male menaced monkey mouth nature nose old orang oranghutan orangutan orangutang pads ponderous ponginae pongo portrait powerful primates pygmaeus red sitting sumatra testosterone utan wildlife zoo zoology