If anyone wants to compare Saltmarsh and Acadian Sharptailed Sparrows, a summer visit to Scarborough Marsh in Maine is in order. The two species breed there sympatrically, although the Acadian favours the northern end of the marsh and the Saltmarsh the southern. I have seen both together, however. Scarborough Marsh is just south of Portland along Rt. 1. Gail Mackiernan Silver Spring, MD