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High Incubation Investment of Females Paired to Attractive Males in Barn Swallows
http://hdl.handle.net/2241/00123043
http://hdl.handle.net/2241/00123043c382de58-e6d6-42b0-84d6-234c571e85a9
名前 / ファイル | ライセンス | アクション |
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OS_11-1 (776.5 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2015-01-30 | |||||
タイトル | ||||||
タイトル | High Incubation Investment of Females Paired to Attractive Males in Barn Swallows | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Hasegawa, Masaru
× Hasegawa, Masaru× Arai, Emi× Watanabe, Mamoru× Nakamura, Masahiko |
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著者別名 |
長谷川, 克
× 長谷川, 克× 渡邉, 守 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Differential parental investment is the sexual selection process in which females that have acquired an attractive male invest relatively more in his offspring than females that are paired to an unattractive male. However, it is often difficult to distinguish between differential parental investment and compensation for a decrease in parental investment by an attractive mate. Using Barn Swallows Hirundo rustica gutturalis, in which males rarely participate in incubation, we investigated differential incubation investment of females. We made the following four observations: (1) Females participate in 94% of total nest attentiveness (time that eggs were incubated). (2) Female nest attentiveness was positively correlated with the ornamentation of their mates, the size of white spots in the tail, which is a measure of male attractiveness in this population. (3) Male nest attentiveness was not related to male ornaments. (4) Total nest attentiveness was positively correlated with the size of white spots in the tail. These results are consistent with differential parental investment, but not with compensation for a decrease in parental investment by a mate. Therefore, we conclude that female Barn Swallows that have acquired an attractive male invest differentially in incubation. | |||||
書誌情報 |
Ornithological science 巻 11, 号 1, p. 1-8, 発行日 2012-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1347-0558 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11616388 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2326/osj.11.1 | |||||
権利 | ||||||
権利情報 | © The Ornithological Society of Japan 2012 | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | 日本鳥学会 | |||||
出版者別名 | ||||||
出版者 | the Ornithological Society of Japan |