@misc{indiciae1c33637cabea,
  title = {Pigeon homing: does initial orientation include a 'preferred compass direction'?},
  author = {R Wiltschko and W Wiltschko},
  year = {1985},
  doi = {10.1007/bf00615147},
  url = {https://pubmed.ncbi.nlm.nih.gov/3837096/},
  note = {Source identifier: 3837096}
}