例如讲到鸥类其实有许多种，这里可以看到的就有黑尾鸥(Black-tailed Gull)、银鸥(Herring Gull)、灰背鸥(Slaty-back Gull)、北极鸥(Glaucous Gull)，海鸥(Common Gull)和燕鸥(Common Tern)等，并说明他们种类和雌雄之间的颜色和体态主要差别。
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Slaty-back Gull 灰背鸥
Back gull bent like an iron bar slowly. The house.
像一根铁棒一样弯曲着，缓慢地飞行。
At least the death cry of the insignificant sooty gull gave her back her significance.
至少，这只不起眼的黑海鸥临死前那一声尖叫恢复了她的理性。
She was the harmonica back engraved two little words - "static gull", there is the story of what?
她在口琴背上刻了小小的两个字——“静鸥”，那里面有什么故事吗？
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