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