An Arctic fox surveys the colony. 一头北极狐在雪雁的领地附近逡巡
Cold and disorientated, they search for the colony. 迷失方向的它们在寒冷中四处寻找亲人
the colony undergoes a strange transformation. 企鹅的领地开始出现奇特的变化
Antarctic petrels now join the most southerly bird colony on Earth. 南极雪海燕的领地在地球的最南方