Crabs turned this marshland into ‘Swiss cheese’ - until sea otters arrived to keep them in check

Hunting bans and habitat restoration have brought otters back to save this California marshland.

https://www.euronews.com/green/2024/02/01/crabs-turned-this-marshland-into-swiss-cheese-until-sea-otters-arrived-to-keep-them-in-che

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