A general term for birds in the family Coliidae (order Mousebirds). This family is endemic to the African continent and is classified into one genus and six species. The name Mousebird comes from the fact that they resemble a mouse as they skillfully move around on trees and branches (illustration). Overall length is 30-36 cm. Their long tail makes up more than half of their overall length. They have a bushy crest on their head and a short, conical, and strong beak. Their legs are well developed. A distinctive feature of mousebirds is that the outer and hind toes of their feet can face either forward or backward, allowing them to grip branches in a variety of ways. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ネズミドリ目ネズミドリ科Coliidaeの鳥の総称。この科はアフリカ大陸の特産で,1属6種に分類される。ネズミドリの名は,木や枝の上を巧みに動き回る姿がネズミに似ていることからつけられた(イラスト)。全長30~36cm。尾が長く,全長の半分以上を占めている。頭上にはふさふさした冠羽があり,くちばしは短く円錐形で,じょうぶである。脚はよく発達している。ネズミドリ類の特徴として,足の外指と後ろ指は前向きにも後ろ向きにもなるため,枝に対してあらゆる握り方が可能である。
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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