March 01, 2011 by Juliet Grable
Each winter, a strange spectacle takes over San Francisco Bay. You'll see evidence of it: moving rafts of agitated birds; strings of cormorants; pods of sea lions; plunge-diving pelicans. And fishing boats out on the Bay. But you won't see the cause for this excitement: thousands of herring en route to their spawning grounds. This year's season has been pretty good, but some folks think we should still go lightly on the lowly herring.