@misc{indiciae71cca15f8037,
  title = {Regurgitative food transfer among wild wolves},
  author = {L. David Mech and Paul C. Wolf and Jane M. Packard},
  year = {1999},
  doi = {10.1139/z99-097},
  url = {https://pubs.usgs.gov/publication/1001657},
  note = {Source identifier: 1001657}
}