This morning (August 11), Nathan Hood found an adult Spotted Redshank at a stormwater pond off Greengate Boulevard in Cambridge ( https://goo.gl/maps/8dhyin9mEYnpo4Ci7?g_st=ac). Best parking is apparently at Southeast corner of the new subdivision at https://goo.gl/maps/PmERz8w8ieEhaaQS7?g_st=ac Good luck!