@misc{indiciaecfde89ab4e0b,
  title = {Distribution and abundance of Southwestern Willow Flycatchers (Empidonax traillii extimus) on the upper San Luis Rey River, San Diego County, California—2022 data summary},
  author = {Scarlett L. Howell and Barbara E. Kus},
  year = {2023},
  doi = {10.3133/dr1173},
  url = {https://pubs.usgs.gov/publication/dr1173},
  note = {Source identifier: dr1173}
}