@misc{indiciaed2bd4113a41e,
  title = {Variation in body mass of wild canvasback and redhead ducklings},
  author = {Jane E. Austin and Jerome R. Serie},
  year = {1994},
  doi = {10.2307/1369101},
  url = {https://pubs.usgs.gov/publication/1001106},
  note = {Source identifier: 1001106}
}