Latest from the Blog

Ask The Naturalist: Can Deer Twins Be Born on Different Days?

July 28, 2014 by David Lukas

This week’s guest naturalist David Lukas has the answer to a reader’s intriguing cervid question.

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Video of Snakes Caught in the Act in Petaluma

June 26, 2014 by Eric Simons

A few months ago a Point Blue Conservation Science staff member spotted two happy king snakes engaged in an act of passion at the edge of Shollenberger Marsh. Here’s the video.

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Bioblitz Turns Up Ancient Find in the Presidio

June 24, 2014 by Joe Eaton

One of the most unexpected finds of the March Golden Gate National Parks bioblitz, at El Polin Springs in the Presidio, was a freshwater sponge, one of the most ancient forms of animal life.

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Welcome!

May 23, 2014 by Eric Simons

Thanks for visiting Bay Nature’s Mount Diablo fire recovery page. Follow us on social media for updates, and please email us with feedback or tips!

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Watch the Recovery Live

May 23, 2014 by Eric Simons

Nerds for Nature has installed posts at several spots in the fire area, where you can take pictures and give them a hashtag to feed them into a slideshow documenting change on Mount Diablo.

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Latest Videos

Redwoods with Michael Ellis

May 12, 2014 by Rick Bacigalupi

Naturalist Michael Ellis tells the fascinating story of the Bay Area’s primeval giants, Sequoia sempervirens. Produced by Rick Bacigalupi.

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Acorn Woodpeckers at Work

December 20, 2013 by Rick Bacigalupi

Environmental Volunteer Bob Dodge explains the antics of the sassy Acorn Woodpecker. Produced by Rick Bacigalupi.

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Learned Lepidopterist

December 20, 2013 by Rick Bacigalupi

San Francisco’s Liam O’Brien shares his wealth of knowledge all about Bay Area butterflies. Produced by Rick Bacigalupi.

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Latest Articles

On Mount Diablo, Springtime in the Summer Heat

July 30, 2014 by Joan Hamilton

The temperature rises to well over 90 degrees on Mount Diablo these days—hot enough to bake many small plants. But the little green shrubs have just begun to stage their comeback. It’s springtime in the chaparral.

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A Bird’s Eye View of the Morgan Fire, Now Available from Google

July 30, 2014 by Joan Hamilton

One way to check out the 2013 Morgan fire is to tromp around on Mount Diablo’s trails. Then there’s another option: check out satellite photos.

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“By the Wind” Sailors: Seasonal Velella beaching mystery solved

July 30, 2014 by Michael Ellis

Recently, Bay Area beachcombers have been spotting dozens of mysterious blue jelly-like creatures littering the beaches. What are they, and why are they here? Bay Nature naturalist Michael Ellis explains.

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American Kestrel Population Drops Dramatically, And Without Fanfare

July 29, 2014 by Elizabeth Devitt

At the national level, the American kestrel population has been plummeting. Researchers in Santa Cruz are trying to learn more about the surprisingly mysterious birds.

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Tracking the Ghost Cat: Mountain Lions Remain Elusive in the East Bay

July 25, 2014 by Rachel Diaz-Bastin

The Bay Area Puma Project team has been collaring mountain lions and monitoring remote motion-sensor cameras throughout the East Bay. It’s not easy tracking the elusive cats, but it’s vital to understanding how to protect them.

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In San Francisco, A Dying Forest Waits for Action

July 23, 2014 by Becca Andrews

Mount Sutro’s once-thriving blue gum eucalyptus trees are dying. At the moment, though, there’s no approved environmental impact report for maintenance, and in the absence of major work conditions are deteriorating fast.

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Making Their Mark

July 11, 2014 by Victoria Schlesinger

The ideas driving the environmental and social movements of the early 1970s gained a strong foothold in the East Bay Regional Park District, thanks in large part to a cohort of young park workers hired during that decade.

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Marsh Once More: The Bay Trail Takes Off at Hamilton Airfield

July 10, 2014 by Ariel Rubissow Okamoto

Looking out across the 650-acre project toward the distant Godzilla arm of the backhoe against the blue sky, I finally see on the ground what the planners and engineers have been describing to me ever since I first began writing stories about Hamilton ten years ago: a tapestry of habitats.

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Enlightened by Bioluminescence

July 10, 2014 by Claire Peaslee

Another phenomenon, equally fabulous but much lower in the food chain, can also occur in the ocean at this time of year: bioluminescence, or “living light.”

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It’s Fun! It’s Science! It’s a Bioblitz!

July 10, 2014 by Joe Eaton

On the last weekend of March, 9,000 people armed with binoculars, butterfly nets, cameras, and smartphones, spread out over an archipelago of national park lands from Point Reyes in Marin County to Mori Point on the San Mateo coast. Their goal: document as many species as possible of plants, animals, and other living things in […]

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