Bornean Orangutan (Pongo pygmaeus), thoughtful-looking female, portrait

about animal animals ape apes auburn big bornean close close up close ups closeup closeups consider considering considers contemplate contemplates contemplating contemplative day daylight daytime deliberate deliberates deliberating detail details display during entire exterior exteriors fauna female females fill filling fills frame full full frame glance glances glancing great grief hand hands hominidae hominoidea image image filling kingdom look looking looks mammal mammalia mammalian mammalians mammals maroon monkey monkeys muse muses musing nature nobody one orangutan outdoor pensive pensively photo photograph photos picture ponder pondering ponderous ponders pongo portrait portraits primate primates pygmaeus reflective ruminate ruminates ruminating sad sadness separate separately shot shots single singly sorrel tetrapod think thinking thinks thoughtful thoughtful looking thoughtfully up ups vertebrata vertebrate vertebrates wild wildlife world asia asian intelligent brown russet red reddish reddish brown brown coat red brown fist clench tight dense frizzy hairy mane hair eyes mouth based shaggy brooding contemplation deepening reflection reflkect viewing sad sadness sorrow grief quiet dumb introspective lonely brood contemplate reflect reflecting