@misc{indiciae8806ff1298a1,
  title = {Morphometric changes in Yellow-headed Blackbirds during summer in central North Dakota},
  author = {D.J. Twedt and G.M. Linz},
  year = {2002},
  url = {https://pubs.usgs.gov/publication/5224114},
  note = {Source identifier: 5224114}
}