TY  - RPRT
TI  - Renesting Characteristics of Captive Mallards on Experimental Ponds
AU  - G.A. Swanson
AU  - T.L. Shaffer
AU  - J.F. Wolf
AU  - F.B. Lee
PY  - 1986
DO  - 10.2307/3801484
UR  - https://pubs.usgs.gov/publication/70208721
ID  - 70208721
ER  -