TY  - RPRT
TI  - Brown-headed Cowbird parasitism of the Black-throated Sparrow in central Arizona
AU  - M. J. Johnson
AU  - Charles van Riper
PY  - 2004
DO  - 10.1648/0273-8570-75.3.303
UR  - https://pubs.usgs.gov/publication/70026674
ID  - 70026674
ER  -