Growing research on the function of female birdsong now allows for identification of large-
scale patterns emerging in the published literature. We conducted a review that analysed …

Vocal production learning (the capacity to learn to produce vocalizations) is a
multidimensional trait that involves different learning mechanisms during different temporal …

La bioacústica, o el estudio de los sonidos que producen los animales, es una herramienta
que ha sido ampliamente usada en el estudio de las aves, con un incremento en el número …

Vocal individuality is essential for social discrimination but has been poorly studied in
animals that produce communal signals (duets or choruses). Song overlap** and …

Female birds in many temperate species are thought to sing reduced or quieter songs and
appear to sing less often than their male counterparts. Therefore, female song may be easily …

Sexual traits, such as visual adornments, sound‐based cues and courtship dances, are
frequently displayed in combination as multimodal signals. Some hypotheses propose that …

Although conflict is often adaptive and necessary to secure limited resources, it is also
frequently a costly endeavor. Signals that reliably communicate competitive ability are …

Urban expansion has increased pollution, including both physical (eg, exhaust, litter) and
sensory (eg, anthropogenic noise) components. Urban avian species tend to increase the …

Previous work has demonstrated that there is extensive variation in the songs of White-
crowned Sparrow (Zonotrichia leucophrys) throughout the species range, including between …

Selection on signals that mediate social competition varies with resource availability.
Climate regulates resource availability, which may affect the strength of competition and …