Transient Willow Flycatcher Sighted at Carlsbad Preserve, No Breeding Pairs Found in 2025 Surveys
April 22, 2026
April 22, 2026
WASHINGTON, April 22 (TNSLrpt) -- The U.S. Geological Survey, under the U.S. Department of the Interior, issued 'Southwestern Willow Flycatcher (Empidonax traillii extimus) Surveys at the City of Carlsbad Preserve, San Diego County, California--2025 Data Summary,' Data Report 1223, authored by Lisa D. Allen and Barbara E. Kus through the Ecosystems Mission Area--Species Management Research Program. Surveys covered five riparian areas in the City of Carlsbad Preserve from May 16 to June . . .