@misc{indiciae90231cd079d3,
  title = {Brief observations on the breeding biology of the flammulated owl in Colorado},
  author = {M.L. Richmond and L.R. DeWeese and R.E. Pillmore},
  year = {1980},
  url = {https://pubs.usgs.gov/publication/5221567},
  note = {Source identifier: 5221567}
}