@misc{indiciae03c667b6331c,
  title = {Canvasback ducks},
  author = {William L. Hohman and G.Michael Haramis and Dennis G. Jorde and Carl E. Korschgen and John Y. Takekawa},
  year = {1995},
  url = {https://pubs.usgs.gov/publication/87327},
  note = {Source identifier: 87327}
}