These chinooks are likely hatchery strays. But they are still an ecosystem boon—and flaming-bright symbols of restoration at work.

The first update to a local State of the Birds report in 14 years shows restoration working—and some puzzling declines.

The 2025 State of Our Estuary assessment, released this fall at a regional conference, takes the pulse of the San Francisco Estuary in 17 indicators. It’s a health checkup for over 38 million acres of ...

The first attempts to restore Mendocino’s streams for coho and other salmon began in the 1960s. Decades of logging in the ...

At times this summer, the shores of San Francisco Bay looked like a piscine battlefront — strewn with dead white and green sturgeon, leopard sharks, striped bass, bat rays, smelt, anchovies, and other ...

As I traipsed barefoot along Ocean Beach’s chilly February sand, ankle-high clumps of spume trembled in the breeze along the tideline, drawing me toward the surf. Upon closer inspection, the mounds of ...

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One year after the discovery that golden mussels had invaded the Delta, thick colonies coat boats and piers and threaten ...

Editor’s note On a Saturday evening in late October, my boyfriend and I were walking around César Chávez Park in Berkeley ...

To deliberately attract a tick, you need to emulate a large animal—which shouldn’t be that hard because humans are essentially big, lumbering apes. You increase your chances of attracting the ...

In late October 1769, a group of bedraggled Spanish soldiers arrived overland in the territory of the Quiroste Indians on the San Mateo coast. Motivated by news of the encroaching Russian fur trade, ...

In the early 1950s, a Swedish dairy farmer and real estate magnate named Axel Adler came to California and fell in love with Big Sur. The rugged backcountry, the spring flowers, the redwoods tall over ...