fox是可数还是不可数名词

There was a fox on the prowl near the chickens.

有一只狐狸在鸡群附近徘徊。

Fox, badger, and weasel are regularly seen here.

这里经常看得到狐狸、獾和黄鼠狼。

We once watched a red fox attacking a groundhog.

我们曾看见一只红狐攻击一只土拨鼠。