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- 北川 珠樹
- 市川学園
書誌事項
- タイトル別名
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- Bigamous Trios in the Black-winged Stilt Himantopus himantopus himantopus: I. Pathways to form Bigamous Trios
- Bigamous trios in the Black-winged stilt Himantopus himantopus himantopus (1) Pathways to form bigamous trios
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Six cases of bigamous trios in the Black-winged Stilt Himantopus himantopus himantopus were studied during 1997-2006. One cause for the occurrence of bigamous trios is that postbreeding groups composed of a parent and a female offspring of the previous year, or that of a family and an unrelated female, have not dissolved by the next breeding season. Under conditions of a female-biased sex ratio in the non-breeding season, some females may chose bigamous trios as one of three mating options. In one trio, one female left the trio just before egg-laying, after they began to defend the nesting territory. Two bigamous trios made a joint nest, respectively. One bigamous trio made two simultaneous nests. One bigamous trio made a joint nest in one year and two simultaneous nests the following year. One bigamous trio made three nests successively.
収録刊行物
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- 山階鳥類学雑誌
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山階鳥類学雑誌 40 (2), 73-82, 2009
公益財団法人 山階鳥類研究所
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詳細情報 詳細情報について
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- CRID
- 1390001205221252864
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- NII論文ID
- 130000677456
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- NII書誌ID
- AA11864856
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- ISSN
- 18820999
- 13485032
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- NDL書誌ID
- 10252895
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可