Now open to all: 1,500 acres of oak woodlands in Solano County, at Patwino Worrtla Kodoi Dihi Open Space Park.

With the arrival of January, Bay Nature begins its 25th year of publication. Can you believe it? Twenty-five years. That is a ...

Bay Nature connects the people of the San Francisco Bay Area to our natural world and motivates people to solve problems with nature in mind.

As Karen Swaim drove through the night in the North Livermore Valley, the California tiger salamander emerged from the dark shining under her headlights: stubby-legged and gleaming obsidian, with ...

Beneath the oak woodlands, expanses of wildflowers, and trickling seeps that make Patwino Worrtla Kodoi Dihi Open Space Park lie volcanic rocks formed 3 to 5 million years ago when the crux between ...

« Science Is A Piece of Cake: California Forests Volunteer at The Secret Garden » ...

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Here, I present results from our highly unscientific poll of our ten staff members on the Bay Nature stories, talks, hikes, and fun facts from 2024 that most delighted us, changed our views of the ...

The Mission blue butterfly takes its name from San Francisco — the original population was discovered on Twin Peaks, at the time considered part of the Mission — and is the city’s only endangered ...

Former National Park Service wildlife biologist Matt Lau highlights the Point Reyes snowy plover population. Learn about their ecology and natural history, as well as conservation efforts, the ongoing ...