Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.
As the sea ice at the northern fringe of Antarctica retreats, researchers expect that Adélie penguins living in the Ross Sea will be forced to shift their range farther south toward the pole.
随着南极北隅海冰的消退，生活在罗斯海的阿德利企鹅将会背井离乡，向着南方的极点靠近。
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These will range from Richter 8 on down, but in no case will be as great as the initial shock during the pole shift.