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Wildlife disease specialists have confirmed the re-occurrence of the Eurasian strain of Highly Pathogenic Avian Influenza (HPAI) H5N1 in California wild birds.

The Eurasian strain of highly pathogenic avian influenza (HPAI H5N1) was detected in two mountain lions in Mono County in December 2022 and January 2023, according to wildlife health experts with CDFW.

Wildlife disease specialists with CDFW recently received confirmation that an adult bobcat died from the Eurasian strain of highly pathogenic avian influenza (HPAI) H5N1. This is the first detection of the virus in a wild mammal in the state.

As the Eurasian strain of Highly Pathogenic Avian Influenza (HPAI) H5N1 continues to impact wild and domestic birds across the state, California Department of Fish and Wildlife (CDFW) wildlife disease specialists are reminding the public of steps they can take to help reduce the spread of infection.

Wildlife disease specialists have confirmed the presence of Highly Pathogenic Eurasian H5N1 Avian Influenza in three wild birds found in Colusa and Glenn counties.