TY  - RPRT
TI  - On the decline of the Rusty Blackbird and the use of ornithological literature to document long-term population trends
AU  - R. Greenberg
AU  - Sam Droege
PY  - 2001
DO  - 10.1046/j.1523-1739.1999.97478.x
UR  - https://pubs.usgs.gov/publication/5223340
ID  - 5223340
ER  -