TY  - RPRT
TI  - Orphaned mallard brood travels alone from nest to water
AU  - Gary L. Krapu
AU  - C.P. Dwyer
AU  - C.R. Luna
PY  - 1991
DO  - 10.2307/1368217
UR  - https://pubs.usgs.gov/publication/1001404
ID  - 1001404
ER  -