@misc{indiciae1fd7529e77c3,
  title = {Marine birds of the southeastern United States and Gulf of Mexico. Part II, Anseriformes},
  author = {Roger B. Clapp and Deborah Morgan-Jacobs and Richard C. Banks},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/fwsobs82\_20},
  note = {Source identifier: fwsobs82\_20}
}