@misc{indiciae14672e16efcf, title = {A high incidence of brown-headed cowbird parasitism of willow flycatchers}, author = {James A. Sedgwick and Fritz L. Knopf}, year = {1988}, doi = {10.2307/1368461}, url = {https://pubs.usgs.gov/publication/70122140}, note = {Source identifier: 70122140} }