@misc{indiciae30cabf8a75a8,
  title = {Temporal and geographic estimates of survival and recovery rates for the mallard, 1950 through 1985},
  author = {Diane S. Chu and J.B. Hestbeck},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/5230194},
  note = {Source identifier: 5230194}
}