@misc{indiciae0905705181ab,
  title = {Birds--A Guide to Familiar American Birds},
  author = {H.S. Zim and I.N. Gabrielson and C.S. Robbins},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/5200048},
  note = {Source identifier: 5200048}
}