Menopausal whales are influential and informative leaders

Menopause is a downright bizarre trait among animals. It’s also rare. Outside of the human species, only the female members of two whale species outlive their reproductive lives in such a major way. Female killer whales typically become mothers between the ages of 12 and 40, but they can live for more than 90 years. Males rarely make it past 50. Now, researchers have new evidence to explain why. —> Read More Here


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