Avocets wade in the Cullinan Ranch section of the San Pablo Bay National Wildlife Refuge.
Avocets wade in the Cullinan Ranch section of the San Pablo Bay National Wildlife Refuge. Paul McHugh
Avocets wade in the Cullinan Ranch section of the San Pablo Bay National Wildlife Refuge. Paul McHugh

At San Pablo Bay refuge, waterbirds are at home

March 23, 2016 03:00 AM

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