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Contact: Sarah Hoyle
University of Exeter

Killer Whales (1 of 2)

Caption: This shows southern resident killer whales in the waters around the San Juan Islands, USA and British Columbia. Both male and female killer whales will remain with their mothers throughout their lives. Adult male killer whales are easily distinguishable from females by their considerably larger dorsal fins.

Credit: David Ellifrit Centre for Whale Research

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Related news release: Long menopause allows killer whales to care for adult sons

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