Song sharing and singing strategies in the winter wren Troglodytes troglodytes

► Modulation of acoustic interactions in small groups of neighbours in winter wren. ► High song type and syllable repertoire sharing inside groups. ► Syllables conserved but re-arranged in new song types between groups. ► No individual coding in song structure, but different singing behaviours. ► Matchings, overlaps and singing rhythms are evaluated.