The foot of a male polar bear is visible above the surface of the water as it dives. The group of polar bears were spotted picking a rotting whale carcass of its meat at Spitsbergen in Norway. Wildlife photographer Roy Mangersnes explains: 'A stranded fin whale was found in the Arctic archipelago of Svalbard in August 2009. One year later most of the meat is gone and an algae covered whale vertebra is the only part still visible. Still several bears are hanging around feeding on the carcass, which would secure them for the winter'