2 · Nature
25 · earth, world as celestial body
25F · animals
25F2 · mammals
25F22 · monkeys, apes
25F22(+4) · monkeys, apes (+ animal behaviour)
25F22(+45) · monkeys, apes (+ animals eating and drinking)
25F22(+459) ·
monkeys, apes (+ animal excreting)