@misc{indiciae4aacf10bff17,
  title = {The 1994 and 1995 summary of the North American Breeding Bird Survey},
  author = {B.G. Peterjohn and J.R. Sauer and W.A. Link},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/5223201},
  note = {Source identifier: 5223201}
}