Explore the Laguna de Santa Rosa trail. Observe a variety of birds, including raptors, egrets, herons, woodpeckers, sparrows & other songbirds. $35. Pre-registration required. 8:30 a.m.–12:30 p.m. Laguna de Santa Rosa Trailhead (parking lot). 6303 Hwy. 12 (not the Occidental Rd. side), Santa Rosa. lagunafoundation.org.