@misc{indiciaebe98f3f2d17a,
  title = {Whistling swans breeding on the northwest coast of New Quebec},
  author = {J.D. Heyland and E.B. Chamberlain and C.F. Kimball and D.H. Baldwin},
  year = {1970},
  url = {https://pubs.usgs.gov/publication/5220582},
  note = {Source identifier: 5220582}
}