@misc{indiciaed2176068a24a,
  title = {A selected bibliography of ecological life history material on North American birds},
  author = {Robert F. Stewart and John W. Aldrich},
  year = {1950},
  doi = {10.2307/1931500},
  url = {https://pubs.usgs.gov/publication/5220120},
  note = {Source identifier: 5220120}
}