@misc{indiciae8a289a276240,
  title = {Food habits of canvasbacks, redheads, and lesser scaup in Manitoba},
  author = {James C. Bartonek and Joseph J. Hickey},
  year = {1969},
  doi = {10.2307/1366304},
  url = {https://pubs.usgs.gov/publication/1001809},
  note = {Source identifier: 1001809}
}