A general term for birds of the Jacanidae family, or a single species. This family (English name: jacana) is found in sub-Saharan Africa, southern Asia, Australia, Central and South America, and consists of 6 genera and 7 species. Total length is about 17-55 cm. It has a shape similar to that of rails, a front plate, and very long toes. There are claw-like protrusions on the corners of the wings. It prefers shallow lakes and marshes with thick aquatic plants, and uses its long toes to walk easily on the leaves of water lilies and other plants, foraging for animal matter such as aquatic insects and shellfish. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
チドリ目レンカク科Jacanidaeの鳥の総称,またはそのうちの1種をさす。この科(英名jacana)はサハラ以南のアフリカ,アジア南部,オーストラリア,中央・南アメリカなどに分布し,6属7種がある。全長約17~55cm。クイナ類に似た形で,額板をもち,あしゆびが非常に長い。翼角の部分につめ状の突起がある。浅い湖沼や湿地の水草の茂った場所に好んですみ,長いあしゆびでスイレンなどの葉の上を軽々と歩いて,水生昆虫や貝などの動物質の餌をあさる。
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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