2 · Nature
25 · earth, world as celestial body
25F · animals
25F3 · birds
25F32 · song-birds
25F32(...) · song-birds (with NAME)
25F32(SWALLOW) · song-birds: swallow
25F32(SWALLOW)(+5) · song-birds: swallow (+ animal(s) in motion; positions, expressions of animals)
25F32(SWALLOW)(+52) · song-birds: swallow (+ movements of animal(s))
25F32(SWALLOW)(+526) · song-birds: swallow (+ animal(s) moving in the air)
25F32(SWALLOW)(+5262) ·
song-birds: swallow (+ flying animal(s))