A general term for small to medium-sized seabirds belonging to the family Alcidae in the order Charadriiformes, or one of these species. They are mainly found in the North Atlantic and the Bering Sea. About 20 species are known worldwide. Fourteen species have been recorded in Japan, of which seven breed in Japan and the remaining seven are winter birds. Most birds in this family have fat, round bodies and short beaks, but some have flat beaks or beaks with unusual shapes. Many species have appendages on their beaks during the breeding season. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
チドリ目ウミスズメ科Alcidaeに属する小型~中型の海鳥の総称,またはそのうちの1種を指す。おもに北大西洋およびベーリング海に分布する。世界で約20種が知られる。日本から14種の記録があり,そのうち日本で繁殖するものは7種で残りの7種は冬鳥である。この科の鳥は太ってまるっこい体つきをしたものが多く,くちばしも短い種が多いが,左右に平たいものや特殊な形のものもいる。繁殖期にはくちばしに付属物をもつ種も多い。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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