TY  - RPRT
TI  - Food habits of canvasbacks, redheads, and lesser scaup in Manitoba
AU  - James C. Bartonek
AU  - Joseph J. Hickey
PY  - 1969
DO  - 10.2307/1366304
UR  - https://pubs.usgs.gov/publication/1001809
ID  - 1001809
ER  -