@misc{indiciae093106967be6,
  title = {Sympatric Masticophis flagellum and Coluber constrictor select vertebrate prey at different levels of taxonomy},
  author = {B.J. Halstead and H.R. Mushinsky and E.D. McCoy},
  year = {2008},
  doi = {10.1643/ce-07-221},
  url = {https://pubs.usgs.gov/publication/70032884},
  note = {Source identifier: 70032884}
}