@misc{indiciaeb71b4984e13e,
  title = {Egg flotation estimates nest age for Pacific and Red-throated Loons},
  author = {Daniel Rizzolo and Joel A. Schmutz},
  year = {2007},
  doi = {10.1675/1524-4695(2007)30[207:efenaf]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70029727},
  note = {Source identifier: 70029727}
}