Global Range: (>2,500,000 square km (greater than 1,000,000 square miles)) Worldwide, but distribution and movements during much of year are poorly known. Coast of Mexico to Gulf of Alaska in the eastern North Pacific. Bering Sea to Japan and Korea in the western North Pacific. Gulf of Mexico to Davis Strait (especially off eastern Canada) in the western North Atlantic. Norway to Spain and northwestern Africa in the eastern North Atlantic. In Southern Hemisphere, Antarctic Ocean to coasts of Brazil, Chile, South Africa, and Australia. See IUCN (1991) for further details.
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