@misc{indiciae20cf8708f71b,
  title = {Should we terminate an 'artificial,' tree-nesting raptor population in Arizona?},
  author = {D. H. Ellis and D.G. Smith and F.B.P. Trahan},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/5222621},
  note = {Source identifier: 5222621}
}