TY  - RPRT
TI  - Foods and dietary strategies of prairie-nesting ruddy ducks and redheads
AU  - Marc C. Woodin
AU  - George A. Swanson
PY  - 1989
DO  - 10.2307/1368305
UR  - https://pubs.usgs.gov/publication/70202986
ID  - 70202986
ER  -