Wetlands Restoration in Watsonville - Watsonville Wetlands Watch seeks volunteers to help restore wetland habitat (planting natives, removing exotic invasives and tending the greenhouse) the fourth Saturday of every month; all ages, no experience necessary, tools supplied; bird watching or short hike, and snacks, await. Fourth Saturday of every month, 9am-12pm. Free, 831.728.4106. Fitz Educational Center, Pajaro Valley High School, Watsonville (Santa Cruz).