Activities
Field Trips
Listing of Madrone field trips in Sonoma County and the North Bay, plus other upcoming events. More »
Guest Speakers
Listing of Madrone guest speakers at our monthly meetings. More »
Christmas Bird Count
Join Sonoma County birders for a day of fun counting our wintering and resident species for the West Sonoma County Christmas Bird Count. More »
Sonoma County Breeding Bird Atlas
Join Madrone Audubon Society volunteers in the fourth year of collecting data for our five-year breeding bird atlas survey of Sonoma County. More »
Bird-A-Thon
Sponsor our teams with your pledge this Spring. Donations support local conservation and education programs. More »
Junior Audubon
Learn about our local outings and other activities for young people and their parents, with opportunities to learn about nature and science. More »
Mayacamas Sanctuary
Join us every Spring as Madrone Audubon hosts a series of walks in the Mayacamas Mountains Sanctuary. Topics include geology, history, birding, and flower and plant identification. More »
Lincoln School Bird Festival
Learn about our yearly festival at Lincoln Elementary School, celebrating the nearby heronry with games, presentations, and nest-viewing opportunities. More »
Volunteer Opportunities
Madrone Audubon is an all-volunteer organization, with opportunities to meet other members and to support our environmental protection and conservation efforts, from serving on the board of directors to citizen science projects and assisting at the yearly bird festival. More »
Find us on Facebook 
It's Nesting Season: trim trees in the Fall!.
Amazon Smile: donate to Madrone when you shop
Birding Quiz - test your skills.
Leaves Newsletter
Carved Bird Pins
In the 1970s, member Tom Olds hand-carved bird pins and sold them to raise money for Madrone Audubon. More