Big Moon Owl Prowl, 7 to 8:30 p.m., Felix Neck Wildlife Sanctuary, Edgartown. Take a full moon walk to look, listen, and learn about these nocturnal birds. Free for members, $5 for nonmembers. Call 508-627-4850.
The Union Chapel in Oak Bluffs will host Dr. John Silvanus Wilson Jr., president of Morehouse College in Atlanta, Ga., as its visiting speaker this Sunday, August 3.
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