2 · Nature
25 · earth, world as celestial body
25F · animals
25F2 · mammals
25F22 · monkeys, apes
25F22(+4) · monkeys, apes (+ animal behaviour)
25F22(+42) · monkeys, apes (+ feeding and care of young)
25F22(+429) ·
monkeys, apes (+ animal killing its own breed)