@misc{indiciae9bc6c005127e,
  title = {Variation in egg size of the northern pintail},
  author = {Paul L. Flint and J. Barry Grand},
  year = {1996},
  doi = {10.2307/1369519},
  url = {https://pubs.usgs.gov/publication/70182063},
  note = {Source identifier: 70182063}
}