@misc{indiciae3c042b2ddec6,
  title = {Area requirements of grassland birds: A regional perspective},
  author = {Douglas H. Johnson and Lawrence D. Igl},
  year = {2001},
  doi = {10.1642/0004-8038(2001)118[0024:arogba]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/1001675},
  note = {Source identifier: 1001675}
}