But at night, it's a different story. 但到了晚上 就不一样了

106. ..and their range is expanding again.
     它们的活动范围开始扩大
107. These are the first to be seen on these shores for 40 years.
     这对姐妹是40年来首次被发现来到这片海岸的狮子
108. By day, there is little for them here.
     白天 它们几乎一无所获
109. But at night, it's a different story.
     但到了晚上 就不一样了
110. Sea birds come here to roost
     成千上万的海鸟
111. in their thousands.
     来到这里栖息
112. These hungry sisters have never seen an opportunity like this.
     饥饿的姐妹俩从没见过这样的好机会

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 109 行