TY  - RPRT
TI  - Food habits and distribution of wintering canvasbacks, Aythya valisineria, on Chesapeake Bay
AU  - Matthew C. Perry
AU  - F.M. Uhler
PY  - 1988
DO  - 10.2307/1351718
UR  - https://pubs.usgs.gov/publication/5220734
ID  - 5220734
ER  -