The overall winner of the competition was Canadian photographer Don Gutoski. The judges were moved by his picture of a red fox clutching a lifeless arctic fox in a rare example of the two larger of the two foxes hunting its smaller cousin. The picture was taken in the far north of Canada, where global warming has forced the two species to live in the same areas and compete for the same prey. (Don Gutoski / Wildlife Photographer of the Year 2015)
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