@misc{indiciae3df1b48771b2,
  title = {Green coloration of recently laid black-crowned night-heron eggs},
  author = {T. W. Custer},
  year = {1991},
  doi = {10.2307/1521510},
  url = {https://pubs.usgs.gov/publication/5222704},
  note = {Source identifier: 5222704}
}