@misc{indiciae58b8211433f1,
  title = {Eggshell characteristics of recent California condors (Gymnogyps californianus)},
  author = {N.F.R. Snyder and L.F. Kiff and David B. Peakall},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/5211083},
  note = {Source identifier: 5211083}
}