它们是熊家族里面最纯粹的食肉动物，大多数的它的美餐就包括环状海豹和胡须海豹！
The polar bear is the most carnivorous member of the bear family, and most of its diet consists of ringed and bearded seals.
海豹不会以这种方式叫唤，但它们确实有不寻常的胡须。
Seals do not click in this way, but they do have remarkable whiskers.
我们仔细看看这“男中音” ——这只长着胡须的雄海豹懒洋洋地躺在太阳底下。
Looking every bit the baritonea male bearded seal lolls in the sun.
科学家说，海豹只需要用它们的胡须就能感知百米开外的鱼类。
Harbour seals may be able to detect fish up to 100m (328ft) away using only their whiskers, say scientists.
他解释了试验中戴上了眼罩和耳罩的海豹，是如何只靠胡须搜集感知的。
He explained how the seal wore a blindfold and headphones during the experiment to ensure that it could only pick up sensations from the water with its whiskers.
研究员随后便把它们的调查集中在海豹是否用了他们的胡须辨别形状和大小。
The researchers then focused their investigation on whether seals used their whiskers to discern size and shape.
研究员相信胡须可以帮助觅食的海豹最优化它们的捕食行动，找出合适形状和大小的猎物。
The researchers believe whiskers could allow foraging seals to optimise their hunting behaviour to suit the size and shape of their prey.
他们认为敏感的胡须对这些海豹非常重要，让它们捕鱼时得到了最大的回报。
They suggest that sensitive whiskers are of huge benefit to the species, allowing them to hunt fish with the highest calorific reward.
有胡须的海豹得到它们的名字从胡须它们用来摸索食物在海底。
Bearded seals get their name from the whiskers they use to feel for food on the sea floor.
有胡须的海豹得到它们的名字从胡须它们用来摸索食物在海底。
Bearded seals get their name from the whiskers they use to feel for food on the sea floor.
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