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Couples showing off: Audience promotes both male and female multimodal courtship display in a songbird

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Title: Couples showing off: Audience promotes both male and female multimodal courtship display in a songbird
Authors: Ota, Nao Browse this author
Gahr, Manfred Browse this author
Soma, Masayo Browse this author →KAKEN DB
Issue Date: Oct-2018
Publisher: The American Association for the Advancement of Science(AAAS)
Journal Title: Science advances
Volume: 4
Issue: 10
Start Page: eaat4779
Publisher DOI: 10.1126/sciadv.aat4779
Abstract: Social environments can shape animal communication. Although mutual courtship displays are generally thought to function in private communication between a male and a female, we provide experimental evidence that they work in a broader social context than previously thought. We examined the audience effect on mutual courtship in blue-capped cordon-bleus, a socially monogamous songbird. This species is characterized by conspicuous courtship shared between sexes: Both sexes sing songs and sometimes add a unique dance display that looks like human tap dancing. We found that in both sexes, multimodal courtship displays (song accompanied by dance) were promoted in the presence of an audience, especially if it was the opposite sex. In contrast, unimodal displays (song without dance) were suppressed by audiences. Because birds directed the courtship dancing toward their partners (but not the audience), multimodal courtship displays are likely meant to advertise their current mating status to other cordon-bleus.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 相馬 雅代

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