TY  - RPRT
TI  - Parasitism at the landscape scale: Cowbirds prefer forests
AU  - D.C. Hahn
AU  - Jeff S. Hatfield
PY  - 2002
DO  - 10.1046/j.1523-1739.1995.09061415.x
UR  - https://pubs.usgs.gov/publication/5222626
ID  - 5222626
ER  -