Northeastern South Dakota Birding Sites NW BH SC Cen NC NE EC SE Northeast SD offers massive waterfowl migration and breeding throughout the glacial lakes and Waubay NWRs. The west edge of the Eastern Deciduous Forest with its many songbird species is exemplified at Sica Hollow SP. There, and in the east, around Big Stone Lake, Pileated Woodpeckers can be seen. eBird Hotspot Other Birding Hotspot Powered By Subgurim(http://googlemaps.subgurim.net).Google Maps ASP.NET Bitter Lake - Day Co. Campbell Slough - Day Co. Fort Sisseton SP - Marshall Co. Hartford Beach SP - Roberts Co. Pickerel Lake - Day Co. Roy Lake SP - Marshall Co. Watertown - Sioux River Bike Trail - Codington Co. Waubay NWR - Day Co.