2 · Nature
25 · earth, world as celestial body
25F · animals
25F3 · birds
25F36 · water-birds
25F36(...) · water-birds (with NAME)
25F36(SWAN) · water-birds: swan
25F36(SWAN)(+5) · water-birds: swan (+ animal(s) in motion; positions, expressions of animals)
25F36(SWAN)(+52) · water-birds: swan (+ movements of animal(s))
25F36(SWAN)(+524) · water-birds: swan (+ movement of animal(s) in relation to an other animal, human figure, or object)