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  1. 010 学術雑誌論文
  2. 長谷川, 眞理子 / HASEGAWA, Mariko

Early ontogenetic effects on song quality in the bengalese finch lonchura striata var. domestica: Laying order, sibling competition, and song syntax

https://ir.soken.ac.jp/records/3818
https://ir.soken.ac.jp/records/3818
e2b45b84-408e-41c1-a3ba-ccf949e17d63
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-07-26
タイトル
タイトル Early ontogenetic effects on song quality in the bengalese finch lonchura striata var. domestica: Laying order, sibling competition, and song syntax
タイトル
タイトル Early ontogenetic effects on song quality in the bengalese finch lonchura striata var. domestica: Laying order, sibling competition, and song syntax
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 SOMA, Masayo

× SOMA, Masayo

SOMA, Masayo

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HIRAI-HASEGAWA, Mariko

× HIRAI-HASEGAWA, Mariko

HIRAI-HASEGAWA, Mariko

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OKANOYA, Kazuo

× OKANOYA, Kazuo

OKANOYA, Kazuo

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著者別名 長谷川, 眞理子

× 長谷川, 眞理子

長谷川, 眞理子

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抄録
内容記述タイプ Abstract
内容記述 Birdsong differs from other sexual traits in that the acquisition process involves learning. Especially in close-ended learning species like the Bengalese finch, conditions experienced during the critical song-learning period can have a profound influence on song quality. Therefore, to understand song evolution from a life-history perspective, we investigated early ontogenetic effects on song quality. In particular, we focused on maternal effects and sibling competition. In asynchronously hatching bird species, the age hierarchy among nestlings affects physical development due to competition for food; mothers may influence this competition by adjusting their investment in each egg according to its sequence in the laying order. To independently assess these effects, chicks of the Bengalese finch were cross-fostered so that the age hierarchies formed in fostered broods were independent of the laying order. Our results indicate that song quality partially reflects early ontogenetic conditions, whereas song duration and note-type repertoire were independent of either laying order or age hierarchy. The syntactical complexity of note order declined over the laying sequence. This finding suggests that the song learning ability is influenced by within-clutch variation in maternal investment toward eggs. Considering that song syntactical complexity is subject to female preference in the Bengalese finch, it is likely that maternal resource allocation strategies play a role in song evolution.
書誌情報 Behavioral Ecology and Sociobiology
en : Behavioral Ecology and Sociobiology

巻 63, 号 3, p. 363-370, 発行日 2009-01
出版者
出版者 SpringerLink
ISSN
収録物識別子タイプ ISSN
収録物識別子 03405443
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s00265-008-0670-9
関連名称 10.1007/s00265-008-0670-9
権利
権利情報 SpringerLink(The original publication is available at www.springerlink.com)
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