(VA) (Fairfax County Parks) Hike with a naturalist to search winter waterfowl along the Upper Potomac River. Bring binoculars and spotting scopes. Take a hike through the woods with a naturalist to listen and look for the park’s winter avian residents and migrants. Find out what birds do to survive the winter weather. 4 to Adult.

(VA) (Fairfax County Parks) Hike with a naturalist to search winter waterfowl along the Upper Potomac River. Bring binoculars and spotting scopes. 8 to Adult.