@misc{indiciae0ba8997e3d3e,
  title = {Vigilance patterns of Bald Eagles feeding in groups},
  author = {Susan K. Knight and Richard L. Knight},
  year = {1986},
  doi = {10.1093/auk/103.2.263},
  url = {https://pubs.usgs.gov/publication/70121279},
  note = {Source identifier: 70121279}
}