April 9, 8 a.m. — Crabtree Nature Center (3 Stover Road off of Palatine Road) Get outside and track spring migration of birds with Barrington naturalist Wendy Paulson. Walks are free and open to the public. But spaces are limited and REGISTRATION IS REQUIRED. Current COVID protocols will be observed; bring your binoculars and your mask! Good walking shoes or boots are recommended. …