Cumberland Head sits just north of Plattsburgh and the area is a good place to check for wintering and migrating water birds. Any water access is worth checking, but two prominent places are the ferry terminal and Cumberland Bay State Park and the adjoining municipal beach. The ferry terminal (with heated bathrooms) is operated year round, so in cold years there is open water here for ducks.
Look for the common and uncommon species which move through the Champlain Valley including common goldeneye, common merganser, and common loon. Cumberland Bay State Park and the municipal beach offer a view of Cumberland Bay for similar species, and the beach area can also attract flocks of snow buntings in winter.