@misc{indiciaef08ce6f7ee8b,
  title = {American Woodcock singing-ground survey: Comparison of four models for trend in population size},
  author = {John R. Sauer and William Link and Mark E Seamans and Rebecca D. Rau},
  year = {2021},
  doi = {10.3996/jfwm-20-079},
  url = {https://pubs.usgs.gov/publication/70219181},
  note = {Source identifier: 70219181}
}