junco

1. That's the strange world of the dark-eyed junco.
   这就是黑眼灯芯草雀奇异的世界。
2. Common North American junco having gray plumage and eyes with dark brown irises.
   北美洲常见的灯芯草雀，灰色羽毛，眼睛为深褐色。

noun

1. small North American finch seen chiefly in winter

   Synonym:    snowbird