Frozen Planet Stills

Male polar bear follows female, showing battle scars. The size difference is clearly illustrated - the male weighs twice as much as she does. The Frozen Planet crew filmed the entire courtship sequence over a fortnight, capturing extraordinary intimate and tender moments. The male had to defend his interests in the female by fighting off at least 10 rival males. By the end of the period, he was covered in blood and limped away into the sunset. But at least he had ensured that his female hadn’t mated with any other males. This would guarantee that the cubs that she would give birth to in nine months time would be his. He returns to his solitary ways out on the sea ice, and will never see his mate again. Frozen Planet

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