The breeding male is a beautifully patterned grey, with a black rear end and a brilliant white speculum, obvious in flight or at rest.
英
美
嘴黑,头棕,尾黑,次级飞羽具白斑及腿橘黄为其主要特征。比绿头鸭稍小,嘴稍细。
目录
查词历史
英 汉