TY  - RPRT
TI  - Temporal and geographic patterns in population trends of brown-headed cowbirds
AU  - B.G. Peterjohn
AU  - J.R. Sauer
AU  - S. Schwarz
PY  - 2000
UR  - https://pubs.usgs.gov/publication/5211035
ID  - 5211035
ER  -