@misc{indiciae03f0bcc5dd6a,
  title = {Survival of postfledging female American black ducks},
  author = {Jerry R. Longcore and Daniel G. McAuley and Catherine Frazer},
  year = {1991},
  doi = {10.2307/3809501},
  url = {https://pubs.usgs.gov/publication/5223015},
  note = {Source identifier: 5223015}
}