@misc{indiciae1fcaded0f8ad,
  title = {Fifty-fifth Christmas Bird Count. 159. Ocean City, Md},
  author = {C.J. Pennycuick and C.E. Heine and S.J. Kirkpatrick and M.R. Fuller},
  year = {1992},
  url = {https://pubs.usgs.gov/publication/5222745},
  note = {Source identifier: 5222745}
}