Bird walk, Sat, Oct 1, 7:30 AM Rock Spring Trailhead • Mt. Tam State Park, sponsored by Yellowbilled Tours and Friends of Mt. Tam group Early Bird gets the Worm tour. California Nevada Field Trips Go to this link: https://www.eventbrite.com/cc/mt-tamalpais-state-park-science-quest-day-1043649 A clear day on Mt. Tam we should see many raptors A Friends of Mt. Tam Citizen Science project with Yellowbilled Tours.