TY  - RPRT
TI  - A high incidence of brown-headed cowbird parasitism of willow flycatchers
AU  - James A. Sedgwick
AU  - Fritz L. Knopf
PY  - 1988
DO  - 10.2307/1368461
UR  - https://pubs.usgs.gov/publication/70122140
ID  - 70122140
ER  -