1. The Arctic Tern is currently the animal with the longest migratory path out of all animals.
北极燕鸥是目前已知的动物中迁徙路线最长的一种动物。
2. Some species of birds, like the Arctic tern, make a 25, 000 mile round-trip journey every year.
有些种类的鸟儿，例如北极燕鸥，能进行每年2万5千英里的循环飞行。
3. New research has found that a seabird, the Arctic tern, flies more than 70, 000 kilometers each year, the longest migration by any creature.
新的研究表明，一种叫做北极燕鸥的海鸟每年飞行路程超过70，000千米，是移动路程最长的生物。
4. The understanding is that the Arctic Tern is a migratory bird which is mainly found at the North Pole and surrounding regions.
据了解，北极燕鸥是候鸟，主要分布於北极及北极附近地区。
5. The tracking records indicated that the Arctic Tern took a much farther flight path to and from the Antarctic each year than their previous estimate of 40, 000km.
追踪纪录显示，北极燕鸥每年往返南极大陆的飞行路径，远比科学家过去推算的4万公里还要超过许多。
6. For sheer distance, the arctic tern probably holds the record; it migrates each year from its summer breeding grounds in the latitudes of the arctic circle to wintering grounds on the coast of Antarctica.
仅就距离而言，恐怕当首推北极燕鸥了；每年，它从北极圈地区的产卵地一直迁移到南极大陆海岸的越冬地。
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7. Arctic (tern) was not seen again and was presumed extinct.
从此，北极燕鸥再也没有出现，估计已经灭绝了。
8. For sheer distance, the arctic tern probably holds the record;
仅就距离而言，恐怕当首推北极燕鸥了；