@misc{indiciaed4fff140cfd4,
  title = {Marsh birds and the North American Breeding Bird Survey: judging the value of a landscape level survey for habitat specialist species with low detection rates},
  author = {J.R. Sauer},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/5211378},
  note = {Source identifier: 5211378}
}