hedgehog|hedgehogs

我在公园里发现一只刺猬正蜷缩成一团睡觉。

I found a ___hedgehog sleeping curled into a ball in the park.

我们在后院发现了几只刺猬在夜间活动。

We spotted a few ___hedgehogs moving around in the backyard at night.

孩子们在公园里发现了一只正在觅食的刺猬。

The children found a ___hedgehog searching for food in the park.