@misc{indiciaed44f02391576,
  title = {Sexing California gulls using morphometrics and discriminant function analysis},
  author = {Garth Herring and Joshua T. Ackerman and Collin A. Eagles-Smith and John Y. Takekawa},
  year = {2010},
  doi = {10.1675/063.033.0109},
  url = {https://pubs.usgs.gov/publication/70037322},
  note = {Source identifier: 70037322}
}