California Today

Finding Sanctuary: 'Herculean' Effort Combats Avian Influenza Outbreak in California's Marine Mammals, Birds

31 May 2026 12:15

California is facing a severe avian influenza outbreak that has sickened and killed hundreds of marine mammals and birds along its coast. Wildlife officials and rescue organizations are engaged in a 'Herculean' effort to contain the virus and treat affected animals.

- The outbreak, caused by a highly pathogenic H5N1 strain, has hit sea lions, seals, and seabirds hard, with rescue centers overwhelmed. - The Marine Mammal Center in Moss Landing is treating numerous animals under strict biosecurity, but many require euthanasia.

- State and federal agencies have mobilized testing and surveillance teams, while public health officials say human risk remains low. - Rescue centers face critical shortages of funds and staff, calling for public support as the crisis continues.

The collaborative response offers hope, but the long-term impact on vulnerable populations remains uncertain.

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Boulder CreekSanta CruzMoss Landinghealthwildlifeenvironment