- and there are fewer predators than further south.
而且这里的掠食动物比南方少多了 - Here, geese can nest on the ground in relative safety.
在这里 雪雁可以比较放心地把巢筑在地上 - Nonetheless, this female must incubate her eggs for three weeks
然而 雌雪雁必须花三周的时间孵蛋 - and throughout this time she will be very vulnerable.
而在这三周里 它将变得易受攻击 - An Arctic fox surveys the colony.
一头北极狐在雪雁的领地附近逡巡 - She's been waiting for the geese all winter.
它已经等了整整一个冬天 - Sneaking up unnoticed is impossible.
出其不意的偷袭很难奏效