Gray Lodge Wildlife Area: Sunrise to sunset. 9,100 acres of fields, riparian areas, ponds, waterways; shelter for 300+ species of resident and migrant birds and mammals. Self-guided nature trail, seasonal guided tours, hunting, exhibits. 3207 Rutherford Road, Gridley. 846-7500. Oroville Old Time Fiddlers: 6:15-6:45 p.m. Group lessons ($15 per person); 7-9 p.m. fiddle workshops, all ages (museum fee $2.50). Bolt Antique Tool Museum, 1650 Broderick St. 282-3205, email@example.com.