@misc{indiciaeee32119a8d43,
  title = {Flock sizes and sex ratios of canvasbacks in Chesapeake Bay and North Carolina},
  author = {G. Michael Haramis and Eric L. Derleth and William A. Link},
  year = {1994},
  doi = {10.2307/3809558},
  url = {https://pubs.usgs.gov/publication/5222738},
  note = {Source identifier: 5222738}
}