@misc{indiciaef3b1dc492b23,
  title = {Brood sizes of sympatric American black ducks and mallards in Maine},
  author = {J. R. Longcore and D.A. Clugston and D.G. McAuley},
  year = {1998},
  doi = {10.2307/3802272},
  url = {https://pubs.usgs.gov/publication/5223331},
  note = {Source identifier: 5223331}
}