@misc{indiciae47f2a1a2749b,
  title = {Long‐term trends in fall age ratios of black brant},
  author = {David H. Ward and Courtney L. Amundson and Robert A. Stehn and Christian P. Dau},
  year = {2017},
  doi = {10.1002/jwmg.21388},
  url = {https://pubs.usgs.gov/publication/70196274},
  note = {Source identifier: 70196274}
}