Celebrate Father’s Day by discovering the fascinating world of flies on this easy walk in Knowland Park! Flies are extremely important pollinators, can be very beautiful, are incredibly acrobatic, and can even help solve crimes.
Say hello to CCCNH at the 2017 Wingding Family Fest! Join Midpeninsula Regional Open Space District and the Santa Clara Valley Audubon Society (SCVAS) for a FREE day of adventure, science, birding, hiking, and discovery! Play all day or just stay awhile! Learn about local birds, insects, and bats.
Help CCNH offer even better programs! To raise operating funds, we're participating in the East Bay Gives: Day of Giving happening on May 4, 2017 from 12 am to 11:59 pm. 24 hours of giving!
The rocky shoreline of Mendocino county boasts some of the greatest diversity of marine algae in North America. Although millions of years old some of these species have witnessed radical changes.
Join us for a three day camping and wildtending workshop. Registration is required.
The restored salt marsh at Crissy Field is a landscape shaped by forces both natural and human. What many visitors may not know is that the marsh requires active maintenance to stay a marsh! We'll discuss how the interplay of sand, water, wind, and people shapes this landscape, explain why the marsh is not self-maintaining in its current form, and observe some of the plants and animals that reside in the marsh.
CCNH is teaming up with the awesome folks at Stepping Out, Stepping In to celebrate Earth Day, and to help clean-up Oakland’s beach at Middle Harbor Shoreline Park. Eat lunch provided by the Port of Oakland, have fun, and meet great people!
For the final evening of the City Nature Challenge, come and help identify all of the observations made in the Bay Area! You can also use this time to upload photos, get help with iNaturalist, or just hang out and meet fellow nature lovers.
In celebration of national Citizen Science Day and in support of the City Nature Challenge, join the California Center for Natural History to document the nature in Oakland! Ever wonder what critters lurk beneath the surface of the waters around Jack London Square in Oakland, CA? Here’s your chance to see them and to learn about the weird creatures that live right under our feet.
Come and explore Oakland's secret beach!
Radio Beach is really a unique spot in our fair city - as Andrew Alden says in his fantastic blog Oakland Geology, “Radio Beach is Oakland’s nearest thing to a natural beach… There is no lonelier or prettier spot on Oakland’s waterfront.”
The town of El Portal sits just outside the western gate of Yosemite along the Merced River inside a deep carved valley. Due to its proximity to one of the most used National Parks in the world there is a lot of pressure to develop the area and surprisingly few studies have been done on what organisms live in the area. Come help in a community generated species survey of approximately 2 miles along the Merced River...
EarthEXPO is a free annual environmental fair hosted by the City of Oakland Public Works Department. The fair highlights transportation, environmental health, waste reduction, water, energy, urban design, nature and community themes.
Come help generate a community based species survey (Bioblitz) of the historical and threatened Amador Canal just a few miles outside of Jackson, California. This 130+ year old unlined canal in the heart of the Gold Country runs 8 miles from Lake Tabeaud to Tanner Reservoir and an entire diverse middle Sierra Foothills ecosystem has developed around it which is in jeopardy as water authorities look to close the canal. This is also the watershed that feeds into EBMUD, so if you're from the East Bay and always wondered where you water comes from, this is your chance! ...
Free reception for CCNH Naturalist Tony Iwane's wildlife photos!
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 San Bruno. This butterfly doesn't live much beyond this niche habitat on the mountain! There may be other "Harbingers of Spring" around as well, such as the Coastal Green Hairstreaks & Brown Elfins.
California Center for Natural History and East Bay Regional Parks are teaming up to bring you a Valentine’s Day treat - nature walk meets happy hour! Come for an evening tour of Wildcat Creek’s amorous amphibians, then mingle with fellow nature lovers at the Grizzly Bar and Grill (open late just for the occasion) while enjoying drinks and nature trivia!
It's a Valentine-themed walk to remember... amphibian amplexus, spermatophores, and nuptial pads await. Meet at the Tilden Golf Course. Adults 21+.
Walk through the Bay's past, present and future and admire winter shorebirds as you hike with us out to a panoramic viewpoint spanning the Bay Bridge to Coyote Hills.
Winter rains make the East Bay hills come alive with mushrooms! View local mushroom specimens, enjoy a presentation on fungi, and peruse our favorite guidebooks at this mini-fungus fair.
This is a FREE event!
107 endangered sexually mature Coho salmon were recently released into Redwood Creek. Come see what happened next and learn about their natural and cultural history with Naturalist Nik Bertulis. Explore this aquatic wonderland and help us unravel the next chapter of this genetically unique population.
Manylabs open house in San Francisco! Come to meet new folks doing awesome things, and learn about the open-source science projects happening at Manylabs.
Do you walk around Lake Merritt and wonder what lurks beneath the surface? Here is your lunch hour chance to see some of the magical critters up close and personal...
Come explore the rolling hills of Fernandez Ranch in north Contra Costa County. We’ll look for chanterelles, boletes, and a variety of visually stunning fungi. Damon Tighe, a local amateur mycologist will help find and identify what’s popping and discuss the role of fungi in the ecosystem.
Did you know every floating dock is like an upside-down coral reef? They’re teeming with marine life like sponges, tunicates, worms, crabs, and even sea spiders and nudibranchs.
Turn Black Friday into Green Friday!
Forget the hassle of shopping and spend a fun and relaxing two hours watching the migrating birds of San Francisco Bay! Meet us at Oakland's beautiful Middle Harbor Shoreline Park for a walk along the shore and learn the basics of birdwatching, bird identification, and the amazing adaptations of these avians in an easy-going setting.
Join Owls 4 Oakland (O4O) for an owl pellet dissection followed by a night hike!