@article{Farnsworth-2005-5364,
  author = {Farnsworth, A},
  title = {Flight-Call and their Value for Future Ornithological Studies and Conservation Research},
  journal = {The Auk},
  year = {2005},
  month = {jul},
  publisher = {The American Ornithologists’ Union},
  volume = {122},
  number = {3},
  pages = {733--746},
  doi = {10.1642/0004- 8038(2005)122[0733:FCATVF]2.0.CO;2},
  url = {http://www.jstor.org/stable/4090581},
  keywords = {Birds, Passerines},
}