Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

walrus bull walrus moffen island svalbard arctic norway marine mammal wildlife ocean curiosity animal behavior northern hemisphere natural habitat underwater wildlife observation sea creature tusks large animal coastal polar region approach adventure research environment ecology scenic nature close encounter animal interaction aquatic biodiversity cold climate marine life exploration wildlife tourism conservation animal conservation habitat seas oceanic swimming natural world coastal waters arctic ecosystem marine biology preservation fauna habitat protection sea ice tundra