北极露脊鲸的身体呈纺锤形,体形肥胖,无背鳍,头大,可占体长1/4以上,鳍肢桨状或匙形,尾鳍宽约8米。褐黑或蓝黑色鲸。主食磷虾和挠足类;成体平均长15~18米,老鲸可达21米。每当露脊鲸浮到海面上时,脊背几乎有一半露在水面上,而且脊背宽宽的,它的名字便由此而来。全世界不到6000头,属于严禁捕杀对象。
在贯穿加拿大群岛的升高了的海滩上,人们都能发现北极露脊鲸的骨骼。
Bowhead skeletons are found on elevated beaches through the Canadian archipelago.
北极的巨型动物——北极露脊鲸——正在用西北通道穿越美洲上端的游动。
Bowhead whales, the giants of the Arctic, are using the Northwest Passage to move across the top of the Americas.
因纽皮特人担心破冰船和钻井船会伤害北极露脊鲸,这可是他们的生计来源。
They worried that icebreakers and drill ships would hurt the bowhead whales on which they depend.
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