@misc{indiciae4792fdaa7c2c,
  title = {Distribution and breeding status of the least Bell's vireo at the San Luis Rey River, San Diego County, California, 1990},
  author = {B.E. Kus},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/96804},
  note = {Source identifier: 96804}
}