Every Thurs., Sept. 3–Oct. 29. WBNA members lead a hike through the Arb to look for fall warblers and other southbound migrants. Birders of all skill levels welcome. 8–11 a.m., meet in the cul-de-sac at the end of Riverview. (off Geddes near the east end of Dow Field). Free. washtenawbna.org.

Every Tues.–Sun. All age 6 & up invited into the museum’s labs to use scientific tools and museum specimens. The newest program lets participants try out simulated snake senses (sight, hearing, and smell) to experience the world as if they were a snake. No live snakes. 11 a.m.–3 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org.

Every Thurs.–Sun., June 4–Sept. 28. Local musicians TBA perform at several locations along Main St. downtown. Rain cancels. 4 p.m. Thurs.–Sun., S. Main between E. Washington & W. William. For the complete lineup, go to mainstreetannarbor.org/a2-summer-streets.

Every Mon.–Thurs. (except Sept. 7). The U-M’s highly disciplined 200+ member marching band or sections thereof can be seen and heard practicing on the new Elbel field, across the street from the old Elbel field. All welcome to find a spot in the bleachers and get a sneak preview of upcoming halftime shows. Rehearsals usually last 1–2 hours. 4:45 p.m., new Elbel Field, Hill at Fifth Ave. Free. (734) 764–0582.

Every Thurs., Sat., & Mon. (different AARC locations). Runners of all abilities invited to join a 5K mapped route (Thurs. & Mon.) or either a beginner or advanced group run (Sat.). AARC Colonnade (6 p.m. Thurs.), 2621 Plymouth Rd.; AARC Traver Village (7 a.m. Sat.), 901 W. Eisenhower; and Corner Brewery (6 p.m. Mon.), 720 Norris, Ypsi. Free. annarborrunningcompany.com. 

Every Tues. & Thurs. All invited to play a low-contact version of rugby. Beginners welcome. 6–7:30 p.m., Riverside Park, 1000 Canal St. Free. [email protected].  

Every Thurs. Runners of all abilities invited to join this eclectic group of runners ranging from people training for their first 5K to ultramarathoners. Sessions are typically interval-based track workouts, followed by socializing at a nearby brewery. 6 p.m., Ferry Field, State at Hoover. May meet elsewhere if the weather is bad. Free. See walline.wixsite.com/bdtc to sign up for email updates on each week’s workout.  

Every Sun.–Thurs. (different times). All invited to work on their knitting, crochet, weaving, and embroidery projects. 6–8 p.m. (Mon.–Thurs.) & 1–3 p.m. (Sun.), 401 N. Fourth Ave. Free. (734) 780–7867.

Every Thurs. Moderate-paced ride, 25 to 35 miles, along the less-traveled unpaved roads around Chelsea. Bring a chair and a beverage or snack for a postride tailgate. See aabts.org for weather cancellations or delays. 6 p.m. sharp, meet at Aberdeen Bike and Outdoors, 1101 Main, Chelsea. Email [email protected] for each week’s route. Free. (313) 980–5277.  

Every Thurs. All invited to drop in with broken electronics, furniture, toys, or any other item they’d like to try to repair or repurpose with the help and guidance of AHA members. Repairs not guaranteed. 6–8 p.m., basement of 255 E. Liberty, ste. 225. Free; donations welcome. [email protected], meetup.com/allhandsactive/events.