@misc{indiciaeea2a9f13ed0a,
  title = {Occupancy and habitat use of the Least Bittern and Pied-Billed Grebe in the Illinois and Upper Mississippi River Valleys},
  author = {Abigail J. Darrah and David G. Krementz},
  year = {2010},
  doi = {10.1675/063.033.0314},
  url = {https://pubs.usgs.gov/publication/70148192},
  note = {Source identifier: 70148192}
}