@misc{indiciaefe64d11233b4,
  title = {Reciprocal allopreening in the Brownheaded Nuthatch},
  author = {D.B. Barbour and A.R. DeGange},
  year = {1982},
  doi = {10.2307/4086037},
  url = {https://pubs.usgs.gov/publication/70162189},
  note = {Source identifier: 70162189}
}