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The Whale Pages: Reproductive Conflict in Killer Whales

J17 with her youngest daughter J53 Every year for the past 9 years the Center has written a weekly segment in the local paper, the San Jun Journal, in the month of August. These informational articles are called "The Whale Pages". Below is the first installment of the four part series. Resident killer whales are one of only three species known to experience menopause. Much like humans, female killer whales usually have their last offspring in their late 30s, but live much longer- often into their 80s and beyond. Why females of any species should stop reproducing before the end of life is an evolutionary mystery. Previous research into this intriguing topic has been hindered by the lack of da

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