Highly Pathogenic Avian Influenza Continues to Affect Wild Birds Across All Four U.S. Flyways
The U.S. Geological Survey’s National Wildlife Health Center (NWHC) is continuing to track the effects of highly pathogenic avian influenza (HPAI) on wild birds across the country. From September 2025 through January 2026, wildlife agencies reported 241 bird mortality events involving more than 126,000 wild birds in 28 states. These […]





















