Sunday, February 8, 2026 8:40 AM to 4:00 PM Birding with David Wimpfheimer Register HERE for the Boat Trip Registration for this trip opens January 6 at 8 AM. The trip costs $130. Limit of 25 participants for this trip. This popular cruise is a winter highlight for birders and provides a specialized look at the richness and history of the California Delta. After meeting at 8:40 for sign in and instructions, we’ll depart from the Antioch Marina at 9 AM As we head east, we enter sloughs and waterways with views out over the flooded agricultural fields that provide a refuge for flocks of geese, ducks, swans and shorebirds that nest in the north but winter here.  Well known birder and naturalist David Wimpfheimer will provide commentary and captain Ronn Patterson will fill in bits about the history of the delta. Coffee, tea, hot chocolate is provided, bring lunch and snacks.  As bad weather can cancel as with any winter trip, there is an inclement weather date set for February 22. Light rain will not cancel. Waitlist: A waitlist will open if the trip sells out. Add your name to the list by clicking Contact Organizer prompt. Cancellation: If you cancel your registration before February 1 and we can fill your spot with someone else on the waitlist, you will be reimbursed, unless you would like to convert your registration fee into a tax-deductible donation to MAS. Directions: Approximately one week prior to the trip, ticketholders will receive instructions and directions to the Antioch Marina, where the trip begins and ends.

Friday, February 20, 2026 8:30 AM to noon Birding with David Sexton and Matt Keller No registration required. All participants are welcome to join this trip. Birders of all experience levels are welcome to join us for an exciting morning at Hamilton Wetlands with Point Blue Conservation Science!  Spotting scopes and binoculars will be available. We recommend bringing your own pair of binoculars, water, sun protection, layers of clothing, and comfortable walking shoes. We will be on a wide, flat compacted dirt/gravel levee. A fully accessible bathroom will be available at the start and end of the event. Directions: meet at Point Blue’s Novato Baylands native plant nursery at 737 Aberdeen Road, Novato, CA. From Hwy 101, take exit 458 to merge onto Nave Dr toward Hamilton Field. Turn right onto Hamilton Pkwy. Turn left through an open gate onto Aberdeen Rd, then keep to the right at the fork to proceed to the nursery.