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19 巻 , 1 号
選択された号の論文の4件中1~4を表示しています
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論文
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  • 風間 辰夫
    19 巻 (2006) 1 号 p. 27-28
    公開日: 2015/08/20
    ジャーナル フリー
    On 12 February 2006 a single adult Parakeet Auklet Aethia psittacula was found washed up on a sandy beach in Niigata Prefecture, along the Japan Sea side of central Honshu, Japan. The bird was measured, photographed and released back into the sea. In Japan, winter records of Parakeet auklet have been obtained from Hokkaido and both the Japan Sea and Pacific Ocean sides of northern and central Honshu. Previous observations, now bolstered by this record, indicate that this species winters from the Noto Peninsula north to the Niigata area.
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  • 風間 辰夫
    19 巻 (2006) 1 号 p. 29-30
    公開日: 2015/08/20
    ジャーナル フリー
    On 4 January 2006 an adult male Lesser scaup Aythya affinis was found washed up on a sandy beach in Niigata Prefecture, along the Japan Sea side of central Honshu. The bird was already deceased when collected. Analyses of stomach contents indicate that the bird had not eaten for atleast a week. Last winter the Sea of Japan had been visited by an extended period of extremelycold and stormy weather, lasting from 21 December 2005 to 7 January 2006. To date, five records of straggler Lesser scaup had been recorded in Japan, but all along the Pacific Ocean side. This record represents the first for the Japan Sea side.
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