2 · Nature
25 · earth, world as celestial body
25F · animals
25F3 · birds
25F33 · predatory birds
25F33(...) · predatory birds (with NAME)
25F33(HAWK) · predatory birds: hawk
25F33(HAWK)(+4) · predatory birds: hawk (+ animal behaviour)
25F33(HAWK)(+45) · predatory birds: hawk (+ animals eating and drinking)
25F33(HAWK)(+451) ·
predatory birds: hawk (+ animal in search of food)