Introducing “Notes from the Field,” a series where we highlight stories from our incredible staff members in their unique roles at the Parks Conservancy. This week, we’re featuring Edwin Sera, Alcatraz Cell House Tour Manager and Parks Conservancy staff member for over 30 years.

Back in 2024, our Tamalpais Bee Lab launched a successful community science effort to find a rare, endemic bee that hadn't been seen in almost 50 years. We just wrapped up 2026 season on Mt. Tamalpais learning more about this elusive bee.