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Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys at the city of Carlsbad Preserve, San Diego County, California—2022 data summary

May 31, 2023

Executive Summary

We surveyed for Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher) at five survey areas within the City of Carlsbad Preserve, Carlsbad, California, in 2022. Three flycatcher surveys were completed between May 18 and June 29, 2022. Territorial or transient flycatchers were not observed at the City of Carlsbad Preserve in 2022.

Publication Year 2023
Title Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys at the city of Carlsbad Preserve, San Diego County, California—2022 data summary
DOI 10.3133/dr1172
Authors Lisa D. Allen, Barbara E. Kus
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Data Report
Series Number 1172
Index ID dr1172
Record Source USGS Publications Warehouse
USGS Organization Western Ecological Research Center