orangutan in captivity behind bars

adult animal apes arboreal asia bars beast borneo breeding brown captivity clever closeup critically dangerous declines destruction endangered entertainment extant fauna forrest great grey habitat hair humans illegal indonesia intelligent kill killed life living looking malaysia male mammal monkey native natural nature orang orangutan organisations outside pelt playful playfull poaching pongo population prey primates rainforests reddish rehabilitation sad scaly shoot shooting similar smart snout social solitare species sumatra survival threats tourism trade utan utang vulnerable wild wildlife world zoo