著者
姉崎 悟
出版者
公益財団法人 山階鳥類研究所
雑誌
山階鳥類学雑誌 (ISSN:13485032)
巻号頁・発行日
vol.43, no.2, pp.105-151, 2012-03-30 (Released:2014-03-30)
参考文献数
70
被引用文献数
2 or 0

Information collected on birds found in Kita-daito and Minami-daito Islands before World War II revealed records of 85 species, and ambiguous records of 14 species. In the two islands, local populations of the Buzzard Buteo buteo and the Wren Troglodytes troglodytes are considered to be endemic subspecies. However, the absence of information about breeding of these two species before WWII leaves open the possibility that these populations may be other subspecies. The environment of the Daito Islands has changed greatly since reclamation started in 1900, and since that time all seabirds and four species of land birds have become extinct there, and four species have become newly established. The number of the current resident species is 13, which is the same number as that just before the reclamation, which suggests that the resident avifauna may have restabilized.

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これは興味深い。やはりノスリとミソサザイの固有亜種は消えそうだな。 J-STAGE Articles - 第二次世界大戦以前の北大東島と南大東島の鳥類 https://t.co/p8hSLhdH8s
ダイトウノスリは「絶滅」の一言で片付けられる事が多くなりましたが、タイプ標本が飼育個体であった事や営巣環境を考えると、本当に固有亜種だったのか疑問が残ります。まだまだ謎の多い鳥、もっと注目されてほしいです。 ↓117~118頁 https://t.co/zKUJPDlIXS

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