On account of this order the Philippine noddy usually makes its nest on the high cliffs while the bridled tern has no choice but to make its nest on the grassland.

• 国外曾经有海岛上鼠辈横行，使得海鸟族群锐减的例子。师范大学调查猫屿海岛生态的队伍，在岛上布置的老鼠夹时有斩获，证实了岛上鼠类肆虐；夜晚也常可听到燕鸥激烈扑翅的声音，据判断，也可能与老鼠的侵袭有关。