@misc{indiciaefae80cb9dcdf,
  title = {Status of the least Bell's vireo at the West San Luis Rey River, San Diego County, California, 1990},
  author = {B.E. Kus},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/96803},
  note = {Source identifier: 96803}
}