@misc{indiciae5193484059c5,
  title = {Winter survival of female American black ducks on the Atlantic coast},
  author = {Michael J. Conroy and Gary R. Costanzo and Daniel B. Stotts},
  year = {1989},
  doi = {10.2307/3801314},
  url = {https://pubs.usgs.gov/publication/5222240},
  note = {Source identifier: 5222240}
}