Flycatcher Count Rises at Lake Henshaw in USGS Report
June 12, 2026
June 12, 2026
WASHINGTON, June 12 (TNSLrpt) -- The U.S. Geological Survey issued Data Report 1225, 'Distribution, Abundance, and Breeding Activities of Southwestern Willow Flycatchers Empidonax traillii extimus on the San Dieguito River and Upper San Luis Rey River, San Diego County, California2025 Data Summary', by Scarlett L. Howell and Barbara E. Kus in 2026.
The report says surveys in 2025 found 57 territorial Southwestern Willow Flycatchers and 3 transient birds, all at Vista Irrig . . .
The report says surveys in 2025 found 57 territorial Southwestern Willow Flycatchers and 3 transient birds, all at Vista Irrig . . .