@misc{indiciaec76c984ae7f8,
  title = {Avian furcula morphology may indicate relationships of flight requirements among birds},
  author = {Clifford Hui},
  year = {2001},
  doi = {10.1002/jmor.1089},
  url = {https://pubs.usgs.gov/publication/1008305},
  note = {Source identifier: 1008305}
}