2 · Nature
25 · earth, world as celestial body
25F · animals
25F3 · birds
25F32 · song-birds
25F32(...) · song-birds (with NAME)
25F32(THRUSH) · song-birds: thrush
25F32(THRUSH)(+4) · song-birds: thrush (+ animal behaviour)
25F32(THRUSH)(+45) · song-birds: thrush (+ animals eating and drinking)