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Orca mothers make 'lifelong sacrifice' for sons - BBC News
Posted
February 9, 2023
Views
58,560
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1,252
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February 9, 2023
58,560
1,252
213
2.50%
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1:58Now PlayingA study of orcas in the North Pacific has revealed that mothers make a "lifelong sacrifice" for their sons.
Rearing a son significantly reduced a female killer whale's chance of reproducing in the future.
The energy they need to feed sons appears to compromise their health, leaving them less able to reproduce and raise other young.
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