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BACKGROUND Direct observations of underwater behaviour of free-living marine mammals are rare. This is particularly true for large and potentially dangerous species such as the walrus (Odobenus rosmarus). Walruses are highly specialised predators on benthic invertebrates - especially bivalves. The unique feeding niche of walruses has led to speculations as… (More)
signifi cance of Southwest Greenland as winter quarters for seabirds. Atlantic walruses (Odobenus rosmarus rosmarus) and estimates of their food consumption. occurrence of cod in Greenland waters and their possible causes.