Naturalist Lori Schlosser conducts an outdoor walk to areas of Renfrew Park likely to attract owls. A pre-walk information session teaches about the nocturnal creatures and methods to locate them. Ages 15 and up. Dress warmly and bring flashlights. Limit 60. Pre-registration required. Free. For more information, call 717-762-0373 or email to firstname.lastname@example.org.