You do occasionally find a carrion crow among the eagles.

偶尔在鹰群中，你会发现一只吃腐肉的小嘴乌鸦。

youdao

So he begins here: Rookslive in a crowd and are mainly vegetarian; Crow may be either another name for rook, especially when seen alone, or it may mean the solitary Carrion crow.

所以他开头这样写道：,白嘴鸦过着群居的生活，它们大部分是素食者;,单独看的时候，乌鸦也能做白嘴鸦的别名，或者乌鸦就是指独居的吃腐肉的乌鸦。

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