The San Francisco Bay is our region's dominant geographic feature.

Patrolling San Francisco Bay in a Baykeeper vessel

Keeping Watch on the Bay

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When hundreds of surf scoters and other ducks wintering on San Francisco Bay were found coated with a baffling “mystery goo” a few weeks ago, San Francisco Baykeeper was one of the first organizations on the scene.

native oyster shells

The Last Oyster

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The West Coast’s native Olympia oyster serves an important role as an ecosystem builder with its ability to filter the water. But owing to reasons that are still somewhat unclear, over the last few millennia native oysters have largely disappeared from the San Francisco Bay.