TY  - BOOK
AU  - Day,Albert M.
TI  - North American waterfowl
AV  - SK361 .D28
U1  - 799.244 
PY  - 1949///
CY  - New York
PB  - Stackpole and Heck
KW  - Water birds
KW  - Birds
KW  - North America
KW  - Conservation
N1  - "Bibliography": p. [321]-323
ER  -