Two Arctic hares (Lepus arcticus) fighting, Northeast Greenland National Park, Greenland. Veolia Environnement Wildlife Photographer of the Year 2009: Runner-up in the 'Mammal Behaviour' category  -  Morten Hilmer
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Morten Hilmer / Two Arctic hares (Lepus arcticus) fighting, Northeast Greenland National Park, Greenland. Veolia Environnement Wildlife Photographer of the Year 2009: Runner-up in the 'Mammal Behaviour' category