Times of IndiaLean R·
Female mammals usually outlive males, but a 27-year study found the pattern was reversed among...
A comprehensive study spanning twenty-seven years has revealed that female birds face lower survival rates compared to their male counterparts. This trend has been observed in thirty-five distinct bird species throughout North America. The challenges posed by migration and reproduction seem to disproportionately affect females. Furthermore, genetic factors related to sex chromosomes may play a role in this issue.
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