@misc{indiciae8158cb31358a,
  title = {Science foundation Chapter 5 Appendix 5.1: Case study dabbling ducks},
  author = {Gregory S. Yarris and Joshua T. Ackerman},
  year = {2015},
  url = {https://pubs.usgs.gov/publication/70159389},
  note = {Source identifier: 70159389}
}