@misc{indiciae21b011ed11dd,
  title = {A fresh look at the taxonomy of midcontinental sandhill cranes},
  author = {Douglas H. Johnson and Jane E. Austin and Jill A. Shaffer},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/70235699},
  note = {Source identifier: 70235699}
}