For a schedule of events call SD County Parks. Every Saturday morning. No reservations required. Silver Strand State Park Free walk featuring the history and natural history of south SD Bay. Good opportunity to see migratory shorebirds and waterfowl.
All ages welcome.
Call for RSVP and locations. Tuesdays 8am Free Bird Walk as Sweetwater Marsh. 12pm Interpretive Walks in Balboa Park Covering history and botanical treasures. Meet at the Visitor Center off Plaza de Panama. Call for dates San Diego Audubon offers amazing birding trips.