@misc{indiciae4821fa80dd01,
  title = {Population energetics of northern pintails in the Sacramento Valley, California},
  author = {M. R. Miller and W.E. Newton},
  year = {1999},
  doi = {10.2307/3802840},
  url = {https://pubs.usgs.gov/publication/1008061},
  note = {Source identifier: 1008061}
}