@misc{indiciaee71b9341c601,
  title = {Seasonal distribution of bird populations at the Patuxent Research Refuge},
  author = {R. E. Stewart and J.B. Cope and C.S. Robbins and J.W. Brainerd},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/5222380},
  note = {Source identifier: 5222380}
}