@misc{indiciaebb07fa9ee812,
  title = {Head-scratching method of the Swainson's warbler},
  author = {Brooke Meanley},
  year = {1970},
  doi = {10.2307/4083673},
  url = {https://pubs.usgs.gov/publication/5220401},
  note = {Source identifier: 5220401}
}