艾治汪惊奇地发现,燕鸥经常在北大西洋可以停留近一个月。 他推测燕鸥可能在这段时间捕捉一些鱼类和小型的甲壳类海洋生物,能量得到充足补充后再动身穿越热带地区。
Egevang was surprised to find that the birds often stop for a month in the open North Atlantic Ocean, probably to "fuel up" on fish and small crustaceans before setting off to cross the tropics.
艾治汪惊奇地发现,燕鸥经常在北大西洋可以停留近一个月。 他推测燕鸥可能在这段时间捕捉一些鱼类和小型的甲壳类海洋生物,能量得到充足补充后再动身穿越热带地区。
Egevang was surprised to find that the birds often stop for a month in the open North Atlantic Ocean, probably to "fuel up" on fish and small crustaceans before setting off to cross the tropics.
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