@misc{indiciaee992dbe0661a,
  title = {The facts on file field guide to north Atlantic shorebirds: a photographic guide to the waders of western Europe and eastern North America},
  author = {Roger B. Clapp},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70123522},
  note = {Source identifier: 70123522}
}