TY  - RPRT
TI  - Factors affecting winter survival of female mallards in the lower Mississippi alluvial valley
AU  - B.E. Davis
AU  - A. D. Afton
AU  - R. R. Cox
PY  - 2011
DO  - 10.1675/063.034.0207
UR  - https://pubs.usgs.gov/publication/70033792
ID  - 70033792
ER  -