@misc{indiciae9fa412e53ea2,
  title = {First nests of Heermann's Gull in the United States},
  author = {J. A. Howell and D. Laclerque and S. Paris and W. Boarman and A. DeGange and L. Binford},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/1007643},
  note = {Source identifier: 1007643}
}