@misc{indiciae3b449f4ea557,
  title = {Age-class separation of blue-winged ducks},
  author = {William L. Hohman and Joseph L. Moore and Daniel J. Twedt and John G. Mensik and E. Logerwell},
  year = {1995},
  doi = {10.2307/3801949},
  url = {https://pubs.usgs.gov/publication/5223403},
  note = {Source identifier: 5223403}
}