Help us learn more about the tidepools at Crystal Cove State Park and particpate in an intertidal bioblitz at Field Science Saturday on Dec. 10 from 11 a.m.-2 p.m., meeting at the Historic District Education Commons. Help search for and count organisms by using iNaturalist to record observations. Day-use fee of $15 per vehicle. For more information and to register, go to crystalcovealliance.org/events/field-science-saturday-tidepool-bioblitz/.