@misc{indiciae1689444beb1c,
  title = {Abnormal behavior of canvasbacks equipped with radio transmitters},
  author = {Matthew C. Perry},
  year = {1981},
  doi = {10.2307/3808723},
  url = {https://pubs.usgs.gov/publication/5221658},
  note = {Source identifier: 5221658}
}