To keep poachers from slipping in under cover of darkness, patrols continue long after sunset and begin again before dawn.

为了防止偷猎分子趁着夜色的掩护偷偷溜进保护区，巡逻队在日落之后还要继续巡视很久，而且第二天还要赶在拂晓前进行巡逻。