
More than 200 science projects from 34 San Francisco schools will be on display at the Randall Museum in Corona Heights for the next two weeks as part of the San Francisco Middle School Science Fair.

The forecast calls for big rain this weekend from an “atmospheric river,” a plume of moisture stretching thousands of miles across the Pacific and splashing onto land right smack on the Northern California coast.

After an unfortunate pruning accident, a reader wrote in to ask: do hummingbirds reuse nests?

Rainy days ahead but little drought relief and more Bay Area nature news….

Several boaters spotted and photographed a sea otter feeding in Tomales Bay this week, the first confirmed sighting of a sea otter in the bay since 2005. Nature photographer Richard Blair took the above photo from the boat of longtime Inverness conservationist Richard Plant on Monday, Feb. 3. Brett Miller, who was leading a Saturday…

At 23,000 birds, the tally in Richardson Bay this December was higher than any year since the surveys began in fall 2006 — much higher. The previous high was 13,000 birds.