Distribution and abundance of southwestern willow flycatchers (Empidonax traillii extimus) on the upper San Luis Rey River, San Diego County--2020 data summary /
| Main Authors: | , |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
Reston, Virginia :
U.S. Department of the Interior, U.S. Geological Survey,
2021.
|
| Series: | Data series (Geological Survey (U.S.)) ;
1140. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo171749 |