@misc{indiciae95627cf14b30,
  title = {Marine birds of the southwestern United States and Gulf of Mexico. Part II, Anseriformes},
  author = {R. B. Clapp and D. Morgan-Jacobs and Richard C. Banks},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/5230244},
  note = {Source identifier: 5230244}
}