@misc{indiciae15387b2789dc,
  title = {The 2003-2008 summary of the North American Breeding Bird Survey},
  author = {David J. Ziolkowski and Keith L. Pardieck and John R. Sauer},
  year = {2010},
  url = {https://pubs.usgs.gov/publication/70004023},
  note = {Source identifier: 70004023}
}