@misc{indiciae2b861c86a420,
  title = {Cooperation and competition: nepotistic tolerance and intrasexual aggression in western bluebird winter groups},
  author = {J.L. Dickinson and M. Euaparadorn and K. Greenwald and C. Mitra and Daizaburo Shizuka},
  year = {2009},
  doi = {10.1016/j.anbehav.2008.11.026},
  url = {https://pubs.usgs.gov/publication/70034611},
  note = {Source identifier: 70034611}
}