The fulmars travel some 400 kilometers over the sea to find food.

这些藿在海上穿越约四百公里去寻找食物。

To test the polluting power of fulmars, researchers collected samples of deposit from 11 ponds on Devon Island.

为了试藿污染物的污染力，研究人员从德文岛的11个池塘收集了沉积物样本。

The fulmars have one other weapon in their armory.

鹱在防卫方面还有另一种武器。

The pollutants in the ponds appear to come from fish that fulmars eat when they're out on the ocean.

池塘中的污染物似乎来自藿在海洋里吃的鱼类。

Some 10,000 pairs of the birds, called fulmars, a kind of Arctic seabird, make their nests on Devon Island, north of the Arctic Circle.

北圈北部的德文岛上有一万对鸟在此筑巢，它们被称为藿，一种北海鸟。