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Study on Mammals and Birds: Those Who Are Monogamous and Raise the Offspring Live Longer

Summary by Spiegel
Why are females usually older in mammals, but males in birds? Researchers have investigated the life expectancy of the sexes across the species. An important factor: parental care.

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Study on Mammals and Birds: Those Who Are Monogamous and Raise the Offspring Live Longer

Why are females usually older in mammals, but males in birds? Researchers have investigated the life expectancy of the sexes across the species. An important factor: parental care.

·Germany
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Bias Distribution

  • 100% of the sources lean Left
100% Left

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Spiegel broke the news in Germany on Thursday, October 2, 2025.
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