Survival and movements of canvasback ducklings.

Presents studies on brood and canvasback duckling survival during 1983-90 and overland brood movements during 1988-89 near Minnedosa, Manitoba. Effects of canvasback brood density, presence of parasitic redhead ducklings, hatching date, and pond water levels on survival; Absence of between-block differences in mean daily survival rates; Total overland distance of travel.