@misc{indiciae5ffa2d259cef,
  title = {Audio-vocal learning in budgerigars.},
  author = {W S Hall and K K Cookson and J T Heaton and T Roberts and S D Shea and S E Brauth},
  year = {1997},
  doi = {10.1111/j.1749-6632.1997.tb51932.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9071363/},
  note = {Source identifier: 9071363}
}