@misc{indiciaeca8eceb6b953,
  title = {Distribution and abundance of Southwestern Willow Flycatchers ( Empidonax traillii extimus ) on the Upper San Luis Rey River, San Diego County, California—2023 data summary},
  author = {Scarlett L. Howell and Barbara E. Kus},
  year = {2024},
  doi = {10.3133/dr1194},
  url = {https://pubs.usgs.gov/publication/dr1194},
  note = {Source identifier: dr1194}
}