@misc{indiciae16b092419170,
  title = {Age-specific survival and philopatry in three species of European ducks: A long-term study},
  author = {Peter Blums and Aivars Mednis and I. Bauga and J.D. Nichols and J.E. Hines},
  year = {1996},
  doi = {10.2307/1369509},
  url = {https://pubs.usgs.gov/publication/5223090},
  note = {Source identifier: 5223090}
}