Short science spiels on Sonoma County parks, including Q&A, via Facebook Live. Mar. 4: Why I Like Lichens. Mar. 11: Sea Stars. Mar. 18: Soaproot & Its Many Uses. Mar. 25: Yelp! Yellowjackets! English: Thursdays, 2:30 p.m. Spanish (en español): Mar. 11, 2:15 p.m. facebook.com/sonomacountyregionalparks.