The polar rabbit, also referred to as the Arctic hare.

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Compared to its southern counterparts, the arctic hare is better adapted to life on the freezing ice thanks to its unique evolutionary traits. The animal’s fur color is the most obvious adaptation. The hare’s brownish-gray fur helps it blend in with its surroundings throughout the summertime. However, the hare’s fur turns a stark white throughout the winter. The animal’s white fur aids in its camouflage in the snow and ice. In comparison to other rabbis, the arctic hare possesses a reduced surface area to volume ratio. It is able to maintain more body heat due to its stockier build and shorter legs. The arctic hare’s cushioned fur on its paws helps it get traction in the ice.