A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway

blue whale balaenoptera musculus feeding behavior marine life svalbard norway water ocean wildlife rare sighting mist spray rainbow nature conservation cetacean animal aquatic oceanography underwater large mammal ecosystem habitat biodiversity biology observation natural phenomenon environment scandinavian waters sea fauna sustainable tourism outdoor adventure exploration research oceanic mammals naturalist arctic boat