walrus colony, spitsbergen island, svalbard archipelago, norway

walrus odobenus rosmarus odobenidae family carnivora order nature fauna zoology wildlife animals wild marine mammals colony large group lay laying rest resting sleep sleeping animal behaviour sarstangen prince charles foreland island prins karls forland forlandet europe european arctic ocean spitsbergen norway svalbard archipelago cold environment pack ice snow icy frozen global warming melt melting floe day daylight daytime people absence horizontal