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

出自-2016年12月听力原文

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

出自-2016年12月听力原文

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

出自-2016年12月听力原文

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

出自-2016年12月听力原文