TY  - RPRT
TI  - Distribution and abundance of Least Bell’s Vireos (Vireo bellii pusillus) and Southwestern Willow Flycatchers (Empidonax traillii extimus) on the Middle San Luis Rey River, San Diego County, southern California—2017 data summary
AU  - Lisa D. Allen
AU  - Scarlett L. Howell
AU  - Barbara E. Kus
PY  - 2018
DO  - 10.3133/ds1082
UR  - https://pubs.usgs.gov/publication/ds1082
ID  - ds1082
ER  -