@misc{indiciae1a439e5ea7cd,
  title = {Records of northern mockingbird, Mimus polyglottos, occurrences in North Dakota during the Twentieth Century},
  author = {L.D. Igl and R.E. Martin},
  year = {2002},
  url = {https://pubs.usgs.gov/publication/1001840},
  note = {Source identifier: 1001840}
}