@misc{indiciae5ee43cb6f92e,
  title = {Avian flight energetics.},
  author = {J M Rayner},
  year = {1982},
  doi = {10.1146/annurev.ph.44.030182.000545},
  url = {https://pubmed.ncbi.nlm.nih.gov/7041789/},
  note = {Source identifier: 7041789}
}