The New Hampshire-Vermont state line runs through the middle of Wilder Dam Reservoir. If you carefully keep your bird records by county and state, be aware of the location of the state line and use the appropriate eBird hotspots when you submit checklists.

Wilder Dam, the major hydropower dam influencing the Connecticut River in the Upper Valley, straddles the river between Lebanon and Hartford. The dam impounds (backs up) the river for 45 miles upstream, and receives drainage from a 3,375- square-mile watershed in New Hampshire and Vermont. Wilder’s three turbines have a combined generating capacity of 42 megawatts.