@misc{indiciae0c38d940bba6,
  title = {Factors associated with arrival densities of grasshopper sparrow ( Ammodramus savannarum ) and baird's sparrow ( A. bairdii ) in the upper great plains},
  author = {M.A. Ahlering and Douglas H. Johnson and John Faaborg},
  year = {2009},
  doi = {10.1525/auk.2009.08154},
  url = {https://pubs.usgs.gov/publication/70035259},
  note = {Source identifier: 70035259}
}