chimpanzee sitting inside a glass-enclosed habitat with wooden structures and ropes, looking contemplative

chimpanzee glass enclosure habitat wooden structures ropes contemplative sitting primate animal zoo intelligent thoughtful natural behavior captivity exhibit conservation climbing dark fur hands feet face eyes ears expression posture indoor environment secure netting arboreal ape social animal primate family observation zoo environment protective barrier education exhibit design interaction behavior study enrichment primate conservation sanctuary nature chimpanzee care community grooming