@misc{indiciae104a62b191c4,
  title = {Use of large-scale, multi-species surveys to monitor gyrfalcon and ptarmigan populations},
  author = {Jonathan Bart and Mark Fuller and Paul Smith and Leah Dunn},
  year = {2011},
  url = {https://pubs.usgs.gov/publication/70157196},
  note = {Source identifier: 70157196}
}