@misc{indiciae70d9508e4425,
  title = {Habitat use and home range of mallards breeding in Minnesota},
  author = {D.S. Gilmer and I.J. Ball and L.M. Cowardin and John Riechmann and J.R. Tester},
  year = {1975},
  doi = {10.2307/3800242},
  url = {https://pubs.usgs.gov/publication/1001660},
  note = {Source identifier: 1001660}
}