@misc{indiciae627d5b095c5c,
  title = {Drought displaced movement of North American pintails into Siberia},
  author = {Charles J. Henny},
  year = {1973},
  doi = {10.2307/3799734},
  url = {https://pubs.usgs.gov/publication/5220967},
  note = {Source identifier: 5220967}
}