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河乌

去年在绵竹看到褐河乌,今年在玉树见到了河乌,不停下蹲,时不时翻翻白眼,很可爱的鸟。

河乌(学名:Cinclus cinclus)是河乌科河乌属的鸟类,羽色黑褐或咖啡褐色,体羽较短而稠密。嘴较窄而直,嘴长与头几等长;上嘴端部微下曲或具缺刻;无嘴须,但口角处有短的绒绢状羽。鼻孔被膜遮盖。翅短而圆,初级飞羽10枚。尾较短,尾羽12枚。跗蹠长而强,前缘具靴状鳞;趾、爪均较强。栖息活动于山间河流两岸的大石上或倒木上,只是沿河流水面而上、下飞,遇河流转弯处亦不从空中取截径飞行。能在水面浮游,也能在水底潜走。主要在水中取食,以水生昆虫及其他水生小形无脊椎动物为食。是挪威国鸟。
http://baike.baidu.com/view/193615.htm
The White-throated Dipper (Cinclus cinclus), also known as the European Dipper or just Dipper is an aquatic passerine bird found in Europe and the Middle East. The species is divided into several subspecies, based primarily on colour differences, particularly of the pectoral band.
http://en.wikipedia.org/wiki/White-throated_Dipper

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