‘Two guys are doing all of the work’: Orcas’ inbreeding may devastate the population

Just two male whales fathered more than half the calves born since 1990 in the population of southern-resident killer whales, a sign of inbreeding, scientists have learned. “It was a shocker to find out two guys are doing all of the work,” said Ken Balcomb, director of the Center for Whale Research and an author on a paper published this week in the peer-reviewed scientific journal Animal Conservation. The findings are based on a new genetic analysis of the whales that frequent Washington’s Salish Sea and Puget Sound. >click to read<20:15

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