Waterfowl seen along the trail this week include: Buffleheads, all 3 species of mergansers, Blue-winged Teals, American Wigeons, a Lesser Scaup, Northern Shovelers, and a group of 20+ Wood Ducks.    A pair of Great Blue Herons, and a couple of Pied-billed Grebes were seen as well as a Great Egret flying over!