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Range DescriptionSouthern bottlenose whales have a circumpolar distribution in the southern Hemisphere, south of about 30°S (Mead 1989; Jefferson et al. 1993). Most sightings are from about 57°S to 70°S. There are known areas of concentration between 58°S and 62°S in the Atlantic and eastern Indian Ocean sectors of their range. They are found in Antarctic waters during the summer.