@misc{indiciae91e15ee4fba9,
  title = {Seasonal energetics and behavior of captive canvasbacks (Aythia valisineria)},
  author = {Matthew C. Perry and Wayne J. Kuenzel},
  year = {1983},
  doi = {10.3382/ps.0621370},
  url = {https://pubs.usgs.gov/publication/5223156},
  note = {Source identifier: 5223156}
}