It's on! The first herring spawning in Richardson Bay of the season. During herring spawning events, birds dive under the water to catch herring or gulp down a mouthful herring roe. Next time you see a large group of birds flying, swimming, and diving in great numbers, grab some binoculars and you may be able to spot western grebes, Brandt’s cormorants, western gulls, bufflehead ducks, and scaup to name a few. San Francisco Bay is an ecologically rich estuary, significant for its large eelgrass

Keeping an eye on herring, a small fish with a big impact on the Pacific's ecosystem