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Article
Nao Ota, Auteur ; Masayo Soma, AuteurBirdsong is a sexual signal that serves as an indicator of male quality. There is already abundant evidence that song elaboration reflects early life-history because early developmental stress affects neural development of song control systems, [...]
Article
Kentaro Yamada, Auteur ; Masayo Soma, AuteurSong is a notable sexual signal of birds, and serves as an honest indicator of male quality. Condition dependence of birdsong has been well examined from the viewpoint of the developmental stress hypothesis, which posits that complex songs assur[...]
Article
Masayo Soma, Auteur ; Toshikazu Hasegawa, Auteur ; Kazuo Okanoya, AuteurRecent studies of the vocal mechanisms of songbirds have shown that there are physical effects on sound production. Interspecific and phylogenetic comparisons have shown that body mass and bill morphology are two major factors affecting vocaliza[...]
