@misc{indiciae9d8c667b1f27,
  title = {Inability to predict geographic origin of Yellow-headed Blackbirds, Xanthocephalus xanthocephalus, during migration},
  author = {D.J. Twedt and G.M. Linz and W.J. Bleier},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/5224195},
  note = {Source identifier: 5224195}
}