The species is “very territorial” and aggressive, and threatens native bird species, the California Department of Fish and ...
Invasive mute swans are disturbing ecosystems in California and eating loads of food! Hunters will now help control them.
Mute Swan credit: CDFW October 27, 2025 - State legislation signed into law earlier this month will allow invasive mute swans to be taken or possessed at any time by those with a valid California ...
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