Bird Flu 2025 California. — in the last 30 days alone, there have been 17 confirmed cases of bird flu among dairy cows in four states. — the h5n1 bird flu appears to be stampeding through dairy farms in california, the country's largest milk producer.
Wild aquatic birds, commercial poultry and backyard or hobbyist flocks beginning in. As of august 2025, there is no official recommendation for people to take down bird feeders because of the risk of avian influenza (see next section).