北极驯鹿

研究人员发现，北极驯鹿可以看到会导致人眼失明的紫外线。

Researchers have discovered that Arctic reindeer can see ultraviolet light that would blind humans .

新型微晶片将提供前所未有的定位准确性，帮助人们在漫长的冬夜里追踪北极驯鹿。

New microchips will help locate the deer with previously unheard of precision and track it during the long winter nights .

这个国际研究小组想要调查北极驯鹿是否也能看到紫外线，所以将驯鹿暴露在不同的光照下进行测试。

This international team wanted to see whether Arctic reindeer could too , and so subjected the animal to various optical tests .

一反其在平安夜空中飞驰的形象，我们较常看到的驯鹿正在进行它们一年一度的大迁徙。为了到达北极，北美驯鹿群可能要跨越5000多公里的旅程。

Rather than flying through the air on Christmas Eve , reindeer are more usually seen on their mammoth annual migration to the Arctic , during which the North American herds might travel for more than 5000km .