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Talk about a mummy s boy! Older female killer whales protect their sons from fights (but let their daughters fend for themselves!), study finds

The new study by the universities of Exeter and York, and the Center for Whale Research adds to growing evidence that post-menopausal females boost the life chances of offspring, especially males.

Post-menopause orca mothers appear to protect their male offspring from being injured by other orcas

Post-menopause orca mothers appear to protect their male offspring from being injured by other orcas
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