Hike: Introduction to Lichens

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Perhaps you have seen colorful, bushy, leafy, or scaly lichens clinging to oak trees or covering rocks. Lichens are all around us, and they have fascinating stories to tell! These incredible organisms are diverse, highly adaptable, and play important roles … Read more

Oh No, Not Gulls!

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All birders have experienced that feeling of overwhelming frustration when trying to identify gulls. But this does not have to be the case. In this class, you will focus on developing a system for approaching gull identification in an enjoyable … Read more

Lichen Hike at Rancho Cañada del Oro

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Join this hike (4.5-mile) on the Mayfair Ranch and Longwall Trails to examine the beautiful lichen species that thrive there. In addition to showing hikers how to recognize some of the most common lichens, you will also learn about lichen … Read more

Film Festival: The New Environmentalists

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Narrated by Sigourney Weaver, The New Environmentalists — from Malawi to Peru (US 2022, 30 min) is the latest in the Mill Valley Film Group’s Emmy Award-winning series about the dedicated recipients of the Goldman Environmental Prize who all have … Read more

Film Festival: The New Environmentalists

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Join the Mill Valley Film Festival for a series of environmental film shorts. See it in the theater on October 10, or streamed virtually Oct 6-17. Get tickets here! Narrated by Sigourney Weaver, The New Environmentalists — from Malawi to … Read more

Soil: The Universe Beneath Your Feet

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In the ground beneath your feet lies a complex ecosystem that is critical for plant vitality and a healthy, sustainable garden. Soil microbes in the area adjacent to plant roots rely on plant-derived chemicals and, in return, provide those plants … Read more

Plant Galls for the Curious Naturalist

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Galls are intriguing plant structures. This webinar will explore this unique biology. Join BioBlitz Club, Jumpstart Nature, and Keep Coyote Creek Beautiful for a special webinar about plant galls! Galls are intriguing plant structures induced by insects (usually), creating a … Read more