@misc{indiciaecd9720809b8d,
  title = {Taxonomy of Greater White-fronted Geese (Aves: Anatidae)},
  author = {Richard C. Banks},
  year = {2011},
  doi = {10.2988/11-14.1},
  url = {https://pubs.usgs.gov/publication/70040685},
  note = {Source identifier: 70040685}
}