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Life at the Poles is not easy.
For six months a year it is dark and the temperature drops to a numbing minus 40 degrees Celsius, and then when the sun does return, it’s weak rays take a long time to melt the ice that blankets the sea.
In the both the Arctic and Antarctic, animals use similar patterns of survival for their problems are comparable. But in the Arctic, the Polar Bear governs the ice.
Antarctica is far colder. Some animals manage to overwinter, enduring the worst of the cold, and maintaining breathing holes. Others are forced to migrate away, ahead of the advancing ice.