@misc{indiciae2c54b8f8c5c3,
  title = {Nesting season, nest sites, and clutch sizes of crows in Virginia},
  author = {R. B. Clapp and Richard C. Banks},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/5223585},
  note = {Source identifier: 5223585}
}