@misc{indiciae22ffa836623b,
  title = {Population size and trends for nesting ospreys in northwestern Mexico: Region-wide surveys, 1977, 1992/1993 and 2006},
  author = {Charles J. Henny and Daniel W. Anderson and Aradit Castellanos Vera and Jean-Luc E. Carton},
  year = {2007},
  doi = {10.3133/ofr20071298},
  url = {https://pubs.usgs.gov/publication/ofr20071298},
  note = {Source identifier: ofr20071298}
}