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Southwestern Willow Flycatcher (Empidonax traillii extimus) Surveys at the City of Carlsbad Preserve, San Diego County, California—2022 Data Summary

Data Report 1172
Ecosystems Mission Area—Species Management Research Program
Prepared in cooperation with the Center for Natural Lands Management; City of Carlsbad, California; and the U.S. Fish and Wildlife Service
By:  and 
https://doi.org/10.3133/dr1172

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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.

Suggested Citation

Allen, L.D., and Kus, B.E., 2023, Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys at the city of Carlsbad Preserve, San Diego County, California—2022 data summary: U.S. Geological Survey Data Report 1172, 9 p., https://doi.org/10.3133/dr1172.

ISSN: 2771-9448 (online)

Study Area

Table of Contents

  • Acknowledgments
  • Executive Summary
  • Introduction
  • Purpose and Scope
  • Methods
  • Results
  • Summary
  • References Cited
Publication type Report
Publication Subtype USGS Numbered Series
Title Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys at the city of Carlsbad Preserve, San Diego County, California—2022 data summary
Series title Data Report
Series number 1172
DOI 10.3133/dr1172
Year Published 2023
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Western Ecological Research Center
Description v, 9 p.
Country United States
State California
County San Diego County
City Carlsbad
Online Only (Y/N) Y
Google Analytic Metrics Metrics page
Additional publication details