@misc{indiciae57e11b8d6ced,
  title = {Survival of northern pintails banded during winter in North America, 1950-88},
  author = {Jay B. Hestbeck},
  year = {1993},
  doi = {10.2307/3809287},
  url = {https://pubs.usgs.gov/publication/5222753},
  note = {Source identifier: 5222753}
}