He knew it quite well. It was that of a bevy of quail in hiding.

他非常清楚，暗处有一群鹌鹑。

When the bevy was gone, and Mr. Fox nosed about under the fence, he found he also had bagged a pair of quail.

当鹑群消失后，狐狸先生下寻找，他发现他吃了很多只鹑。