Sunday Rock Creek Lake was 80% froze over was birds were
concentrated. Probably 4-500 mallards, at least 150 common mergansers, 50+
hooded mergansers, green-wing teal, a few gadwalls. wood ducks, red-breasted
mergansers, buffleheads, ringnecks, lesser scaup, pintails, and redheads. Also
now were 200+ whitefronts and a few snow geese. Also ruddy
ducks. Bob Van Ersvelde
Grinnell