All invited to bring a dish to share, or if you prefer, just your own meal. On-site grills available. Bring your own place setting and beverage. Lawn games and the annual “Wingnut Award” ceremony for birders who have seen the most birds in the county during the past year. Preceded by a migratory bird walk at 9:30 a.m. Noon–3 p.m., shelter B, Dexter-Huron Metropark, 6535 Huron River Dr., Dexter. Free, but $10 vehicle entrance fee. washtenawbna.org.