@misc{indiciae84bc27be6353,
  title = {Aging immature mourning doves by primary feather molt},
  author = {G.H. Haas and S.R. Amend},
  year = {1976},
  doi = {10.2307/3799964},
  url = {https://pubs.usgs.gov/publication/5220972},
  note = {Source identifier: 5220972}
}