Sunday, June 10. Chatsworth Nature Preserve/Reservoir Bird Walk. 7:00 a.m. Chapter members will again have the opportunity to join with the Southwest Herpetologists Society for a morning tour of the Preserve grounds and observe late spring migrants and nesting species. Meet at 7:00 a.m. at the Plummer-Valley Circle gate approximately 1.5 miles west of the intersection of Topanga Canyon Blvd. and Plummer, opposite 9439 Valley Circle, NOT at the Fallbrook Ave. gate. Bring drink, snacks, and be prepared to stay until approximately noon, as the gate will be locked behind us. No smoking or pets please. Facilities are limited and primitive. RAIN CANCELS. This will be the last Preserve tour until the fall. For further information, phone Art Langton at (818) 887-0973. Leaders: Art Langton and/or Stuart Wells.