TY  - RPRT
TI  - Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys at the city of Carlsbad Preserve, San Diego County, California—2022 data summary
AU  - Lisa D. Allen
AU  - Barbara E. Kus
PY  - 2023
DO  - 10.3133/dr1172
UR  - https://pubs.usgs.gov/publication/dr1172
ID  - dr1172
ER  -