(Troglodytidae; Ϯ Long-billed Wren T. longirostris) L. cantus song < canere to sing; Gr. ορχιλος orkhilos wren; "Wren song has long been the subject of scientific study ... as this group exhibits impressive diversity in such features as song structure, repertoire size, presence of female song, and sex-specific patterns of song use ... Cantorchilus, gen. nov. Type: Thryothorus longirostris (Vieillot). Etymology: cantus, song; orchilos, wren" (Mann et al. 2006).