@misc{indiciaecac6d9af8dd4,
  title = {Distribution and abundance of the forest birds of Guam: results of a 1981 survey},
  author = {John Engbring and Fred L. Ramsey},
  year = {1984},
  url = {https://pubs.usgs.gov/publication/fwsobs84\_20},
  note = {Source identifier: fwsobs84\_20}
}