@misc{indiciae6eceb29a6590,
  title = {Mountain chickadee (Poecile gambeli)},
  author = {D. Archibald McCallum and Ralph Grundel and Donald L. Dahlsten},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/93736},
  note = {Source identifier: 93736}
}