@misc{indiciae8ace17228528,
  title = {Subspecies of the glaucous gull, Larus hyperboreus (Aves: Charadriiformes)},
  author = {Richard C. Banks},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/5223511},
  note = {Source identifier: 5223511}
}