sea fowl

例句：

1. 1. The sea fowl are migrating to warmer waters.
   海鸟正在迁徙到温暖的水域。
2. 2. Sea fowl populations have been declining due to climate change.
   由于气候变化，海鸟的种群数量一直在下降。
3. 3. The hunters were surprised to find that the sea fowl had already fled the area.
   猎人惊讶地发现，海鸟已经逃离了该地区。