Lichen: A Closer LookThis easy 1.5-mile out-and-back nature walk will explore habitats where lichen communities thrive. Learn to identify some of the most common forest lichen and discover ways these fascinating organisms benefit both wildlife and the environment. Meet at the Wood Road parking lot. Severe rain cancels. Questions? (408) 918-7770
Federally Listed as Endangered in 1976, the San Bruno Elfin (Callophrys mossii bayensis) is a nickel-sized, Burmese brown denizen of the top-most, rock outcrops of SanBruno Mountain.The butterfly is an exquisite study in browns: burnt sienna, mocha and russet, with grey thrown in. Â It's host is Stonecrop (Sedum spathifolium), the ...
Where: BrisbaneCost: Free ($6 - $8 park fee)
Exploring Nature: Family Learning WorkshopBring your family to explore nature and the environment at the Hall! In this Family Learning Workshop, you and your child will learn a "curiosity routine" and discover how to use it to make any outing a meaningful, enriching experience. We will also spend time in the Hall's outdoor spaces, ...
Where: BerkeleyCost: Free with admission
Twilight Marsh WalkExperience the salt marsh at twilight on an easy stroll along Tidelands (1 1/3 mile) Trail. At the setting of the sun we will observe the beginning of nature’s night shift. Come discover the sights, sounds, and smells of the refuge as night descends. Not suitable for young children. RESERVATIONS ...
Where: FremontCost: Free
San Francisco City Star PartyCome join us for our monthly San Francisco City Star Party. SFAA members provide telescopes for your viewing pleasure. Be sure to check the SFAA website for the latest updates…bad weather or overcast skies will cancel!
Where: San FranciscoCost: Free
Dance of StreamsAstronomers are engaged in far reaching surveys of stars and galaxies, mapping ever larger objects in the universe. Closer to home, the Bay Area is part of a very different type of survey: a night-time surveillance of the night sky to map out our meteor showers throughout the year. Meteor ...