@misc{indiciae9f916f71ed4d,
  title = {Forty-fourth breeding bird census. 10. Upland tulip-tree--maple--oak forest},
  author = {C.S. Robbins},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/5222986},
  note = {Source identifier: 5222986}
}