Geographic variation in bird songs: examination of the effects of sympatric related species on the acoustic structure of songs

@article{Hamao2015GeographicVI,
  title={Geographic variation in bird songs: examination of the effects of sympatric related species on the acoustic structure of songs},
  author={Shoji Hamao and Norimasa Sugita and Isao Nishiumi},
  journal={acta ethologica},
  year={2015},
  volume={19},
  pages={81-90}
}
  • Shoji Hamao, Norimasa Sugita, Isao Nishiumi
  • Published 2015
  • Biology
  • acta ethologica
  • Birdsong evolution has influenced by various ecological and social factors. [...] Key Method We investigated geographic variation in the songs of the Japanese tit (Parus minor) and the varied tit (Poecile varius) in the Ryukyu Archipelago, Japan, whose islands harbor either one or both species. The songs of the two species exhibited similar structure, but acoustic measurements differed between them. For example, varied tits sang songs at higher frequency than Japanese tits did. The songs of both species varied…Expand Abstract

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