A passerine bird of the Emberizidae family. It is slightly larger than a sparrow, with a total length of about 16 cm. Sexes are heterochromatic. The male (illustration) has a black head, throat and upper chest, and a white nape. When males confront each other, they ruffle the white feathers, giving the appearance of a scarf. The back is brown with black stripes, and the belly is whitish. The female (illustration) also has a brown head and yellowish-brown eyebrows. In winter plumage, males resemble the female. It is widely distributed in the mid-latitudes of Eurasia. In Japan, it breeds in Hokkaido, but many migrate from the north as winter birds. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
スズメ目ホオジロ科の鳥。全長約16cm,スズメより少し大きい。雌雄異色。雄(イラスト)は頭部とのどから上胸にかけて黒く,うなじが白い。雄どうしの対立には,この白い部分の羽毛を逆立てるので,襟巻のように見える。背は褐色で黒い縞があり,腹は白っぽい。雌(イラスト)は頭部も褐色で,黄褐色の眉斑がある。冬羽の雄は雌に似る。ユーラシア大陸の中緯度地方に広く分布している。日本では北海道で繁殖するが,冬鳥として北方から渡来するものが多い。
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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