@misc{indiciae794cf06aad0d,
  title = {Historical changes in laying date, clutch size, and nest success of American black ducks},
  author = {David G. Krementz and Vernon D. Stotts and Daniel B. Stotts and James E. Hines and Steven L. Funderburk},
  year = {1991},
  doi = {10.2307/3808975},
  url = {https://pubs.usgs.gov/publication/5222957},
  note = {Source identifier: 5222957}
}