Treasures Of Mines Road with Steve Lombardi This virtual 65-mile round trip will explore all of Mines Road plus connecting portions of San Antonio Valley and Del Puerto Canyon Roads. They all run through the East Bay’s Diablo Range in an area virtually devoid of humans, but not of birds. Our virtual tour will take […]

Dr. Chris Clark will present ongoing research in his lab, starting with work on how hummingbirds make sounds with their tail feathers during courtship displays. Then he will shift to ongoing research he is conducting on why owls have evolved to fly quietly. Dr. Clark grew up in Seattle where he started birdwatching at age […]

Puzzling Pairs: An Id Workshop with Oliver James & Adrian Hinkle Spring is here—the perfect time to brush up on your ID chops! Need to recalibrate on the difference between female House and Purple Finch? Is the jury still out on whether that’s a pewee or a dreaded empidonax? Oliver and Adrian will break down […]

Behind The Gates At Hayward Marsh with Bob Lewis Stopping at the Hayward visitors center to pick up a key and enjoy the Barn and Cliff Swallows collecting mud, we’ll make our way to the gate to the Hayward freshwater marsh just beyond. We’ve been coming here for about 10 years now, and we always […]

Condors Of Pinnacles with Rusty Scalf & Richard Neidhardt The bird and the place are both national treasures. The California Condor is the largest bird in North America, recovering from near-extinction in the 1970s due to the pesticide DDT. Pinnacles National Park—a release and research site for these birds—is a 23 million-year-old rhyolitic volcanic formation, […]

Speaker: Daniel Edelstein Host: Doug Waterman Date: April 15th, 2021 Start time: 7:30 PM End Time: 9:30 PM Register for Zoom Webinar HERE Which wood-warbler species typically nest annually in in Marin County and the North Bay region? Which are year-round residents and when do returning spring migrant species arrive? And why do vagrant wood-warblers […]

Finding Rarities In The East Bay with Alex Henry The East Bay is home to an impressive variety of habitats—from vast tidal mudflats, to rolling grassland hills, to the pine-oak woodlands of the interior Coast Range. Corresponding to these varied landscapes is an incredible diversity of avifauna. Join us for a chronological exploration of the […]

Magic Of Mitchell Canyon with Maureen Lahiff Since riparian habitat is scarce in the San Francisco Bay Area, Mitchell Canyon, on the north side of Mount Diablo, is a magnet for migrating birds seeking a refueling stop. In addition to migrants, we’ll also see and hear a number of permanent residents and summer nesting birds. […]

Oaks support more life forms than any other tree in North America, and California’s oaks are no exception. In a presentation filled with woodpeckers, woodrats, Wood Ducks, and many other organisms, author and naturalist Kate Marianchild will explain why oaks play such an important role in oak woodland food webs. She will talk about animals […]