NPR News: Killer whale moms are still supporting their adult sons — and it's costing them

Killer whale moms are still supporting their adult sons — and it's costing them
Orca moms spent precious resources feeding their fully grown adult male offspring. A new study finds that this may limit how many more young they produce.

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Làm đẹp Blog 247 February 9, 2023 at 05:05PM
Category Science