2012
DOI: 10.1242/jeb.071944
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Bilateral coordination and the motor basis of female preference for sexual signals in canary song

Abstract: SUMMARYThe preference of female songbirds for particular traits in the songs of courting males has received considerable attention, but the relationship of preferred traits to male quality is poorly understood. Female domestic canaries (Serinus canaria, Linnaeus) preferentially solicit copulation with males that sing special high repetition rate, wide-band, multi-note syllables, called ʻsexyʼ or A-syllables. Syllables are separated by minibreaths but each note is produced by pulsatile expiration, allowing high… Show more

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Cited by 48 publications
(30 citation statements)
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“…Performance challenges arise as birds coordinate syrinx modulations with intricately patterned respiratory movements, and as they track changing source frequencies via precise reconfigurations of the vocal tract (Westneat et al 1993;Hoese pg. 4 of 45 et al 2000;Podos et al 2004b;Riede et al 2006;Suthers et al 2012). Studies of handreared songbirds, in which males are trained with challenging song models, have provided direct experimental evidence that aspects of song structure are indeed limited by vocal performance capacities (Podos 1996;Podos et al 2004a;Zollinger & Suthers 2004; see also Lahti et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…Performance challenges arise as birds coordinate syrinx modulations with intricately patterned respiratory movements, and as they track changing source frequencies via precise reconfigurations of the vocal tract (Westneat et al 1993;Hoese pg. 4 of 45 et al 2000;Podos et al 2004b;Riede et al 2006;Suthers et al 2012). Studies of handreared songbirds, in which males are trained with challenging song models, have provided direct experimental evidence that aspects of song structure are indeed limited by vocal performance capacities (Podos 1996;Podos et al 2004a;Zollinger & Suthers 2004; see also Lahti et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…Trills are difficult to produce, because the vocal apparatus needs to be actively reconfigured during frequency modulations, and to be 'reset' during brief intervals between syllables [15]. Evidence for performance constraints has come from several independent lines, including observations of trade-offs between two acoustic parameters: trill rate and frequency bandwidth [16][17][18]. Thus, for receivers of both sexes, trill performance may provide a reliable indicator of male quality.…”
Section: Introductionmentioning
confidence: 99%
“…As summarised in Figure , testosterone is acting at multiple levels in the brain including nuclei in the telencephalon and the diencephalon to control different aspects of this complex learned social signal. Testosterone also acts in the syrinx to modulate aspects of the song specifically linked to mate choice (the special syllables preferred by females) that appear to be shaped by sexual selection . It is difficult to ascertain whether a neural system is really shaped by sexual selection; specifically linking variation in neural organisation to differential fitness involved in the competition for mates has rarely been established in a definitive manner .…”
Section: Discussionmentioning
confidence: 99%