Interactive program for youth ages 7–13. Ranger Darren & Ranger Assistant Michaela teach kids about animal tracks, scat & the other clues animals leave behind. 10 a.m.–noon. Event: $5. Parking: $7. Riverfront Regional Park. 7821 Eastside Rd., Healdsburg. Register: tinyurl.com/w7je7n8. Info: 433-1625.