Spring Migration Walk in Nichols Arboretum: Washtenaw Audubon Society.
Every Thurs., Mar. 31–May 26. All invited to walk through the Arb to look for resident birds and early migrants. Extra binoculars available. 8–10:30 a.m., meet at the Dow Prairie entrance at the east end of the Arb, Riverview Dr. at Riverview Ct. Free. WashtenawAudubon.org.