Female Killers Whales Become Pod Leaders After Menopause

March 6, 2015 2:52 PM

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When it comes to whales, grandma may be in charge. Scientists have found that menopausal female killer whales not only serve as key leaders, but also live almost twice as long as males. Now, scientists may have an answer as to why this is the case.

Menopause is a bizarre trait among animals-and also whale. Outside of humans, only the female members of two whale species outlive their reproductive lives in such a major way.

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