“…Although songâtype matching is well known in males, there are fewer examples of it in females (see MarshallâBall, Mann, & Slater, ; MarshallâBall & Slater, ). Similar to male song, female song is a multifunctional signal, and even though some female birds use their songs to defend territories and mates (Cain & Langmore, ; Illes, ; Levin, ; Logue, ; Templeton, RiveraâCĂĄceres, Mann, & Slater, ; Tobias & Seddon, ), others use their songs primarily for communicating with their breeding partners (i.e., locating them in densely vegetated habitats) or coordinating breeding activities (i.e., nest building; Hall et al., ; Mays et al., ; Mennill & Vehrencamp, ; Templeton, RĂosâchelĂ©n, QuirĂłsâguerrero, Mann, & Slater, ). In duetting species, repertoires may serve additional functions, including territory defense or mate guarding (Hall, ).…”