@misc{indiciae3f8a2ceba1be,
  title = {Age determination of blue-winged teal},
  author = {C.W. Dane},
  year = {1968},
  doi = {10.2307/3798970},
  url = {https://pubs.usgs.gov/publication/1001650},
  note = {Source identifier: 1001650}
}