TY  - RPRT
TI  - Distribution and abundance of the southwestern willow flycatcher at selected southern California sites in 2001
AU  - J. Rourke
AU  - B. Kus
AU  - M. Whitfield
PY  - 2004
UR  - https://pubs.usgs.gov/publication/96759
ID  - 96759
ER  -