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  4. Southwestern Willow Flycatcher (Empidonax traillii extimus) Surveys and Nest Monitoring in San Diego County, California (ver. 3.0, January 2024)
  5. Southwestern Willow Flycatcher (Empidonax traillii extimus) Surveys in San Diego County, California, 2021

Southwestern Willow Flycatcher (Empidonax traillii extimus) Surveys in San Diego County, California, 2021

Dates

Publication Date
Start Date
2020-05-15
End Date
2020-07-31

Citation

Howell, S.L., and Kus, B.E., 2022, Southwestern willow flycatcher (Empidonax traillii extimus) surveys and nest monitoring in San Diego County, California (ver. 3.0, January 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P96VC5Y4.

Summary

Data presented are results of surveys in 2021 for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. Surveys were conducted at the 2016-19 nest monitoring locations (Cleveland National Forest, Rey River Ranch, and Vista Irrigation District) and at Lake Henshaw along the Upper San Luis Rey River. Surveys were conducted along multiple sections of the river where permission to access properties could be obtained. Locations were surveyed using a standardized protocol three to four times between 15 May and 31 July. The number, age (adult or juvenile), sex, banding status (color banded or not, and if so, color combination), and breeding status (paired, undetermined, or transient) of all willow flycatchers [...]

Contacts

Point of Contact :
U.S. Geological Survey, Western Ecological Research Center
Originator :
Scarlett L Howell, Barbara E Kus
Metadata Contact :
Barbara E Kus
Distributor :
U.S. Geological Survey - ScienceBase

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Southwestern Willow Flycatcher surveys in San Diego County, California, 2021.xml
Original FGDC Metadata
View 		18.63 KB application/fgdc+xml
Abbreviations_AllYears.csv 937 Bytes text/csv
ColoredLegBandKey.csv 2.34 KB text/csv
SWFLAdultBandStatus2021.csv 1.28 KB text/csv
WIFLIndividualSurvey2021.csv 3.61 KB text/csv
WIFLLocations2021.csv 7.15 KB text/csv
WIFLObservers_AllYears.csv 477 Bytes text/csv
WIFLSurveyResults2021.csv 488 Bytes text/csv
2021SurveyArea.csv 648 Bytes text/csv
DataDictionary_AllYears.csv 15.99 KB text/csv
Shapefile: SWFL_SurveyAreas_2021.zip
SWFL_SurveyAreas_2021.sbn 188 Bytes
SWFL_SurveyAreas_2021.sbx 132 Bytes
SWFL_SurveyAreas_2021.shp 3.63 KB
SWFL_SurveyAreas_2021.shx 132 Bytes
SWFL_SurveyAreas_2021.cpg 5 Bytes
SWFL_SurveyAreas_2021.dbf 574 Bytes
SWFL_SurveyAreas_2021.prj 145 Bytes

Purpose

The purpose of this study was to determine the size and distribution of Southwestern Willow Flycatcher populations within San Diego County, and to collect demographic data to better understand population trends and conservation needs of flycatchers. This study was part of the San Diego Management and Monitoring Program’s (SDMMP) regional monitoring and management of sensitive species and habitats on conserved lands in western San Diego County. The SDMMP coordinates science-based biological management and monitoring of lands in San Diego that have been conserved through various conservation planning and mitigation efforts. The results of this study will be used by managers to develop specific management goals and objectives to ensure the species’ continued existence in San Diego County.

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