@misc{indiciae37d2bcfc62e4,
  title = {Survival and band recovery rates of sympatric grey ducks and mallards in New Zealand},
  author = {Tom Caithness and Murray Williams and James D. Nichols},
  year = {1991},
  doi = {10.2307/3809247},
  url = {https://pubs.usgs.gov/publication/5222868},
  note = {Source identifier: 5222868}
}