A blackpoll warbler at the Farallones. Researchers used feather DNA to look into the origins of six species of warbler ...

Voting season is here—for bees! Until September 8th, folks can vote for their choice of state bee. Picking a native ...

Pesticides used in common over-the-counter topical tick and flea treatments have been found in Bay Area wastewater effluent ...

Cheryl Patel, field investigator & community science coordinator at Baykeeper (far left) leads the HABs monitoring with volunteers at Alameda Waterfront Park in Alameda. Amir Aziz/Bay Nature In 2022, ...

Around State Route 37, which runs along the north side of San Pablo Bay, the sea could rise 7 feet by 2100 because of climate change. Amir Aziz / Bay Nature As the Trump administration kills the legal ...

California lawmakers struck a deal to divert $125 million in climate funding to buy the former Golden Gate Fields track and turn it into a park. Gov. Gavin Newsom supports the project.

Among life’s small, durable joys is the discovery of a bird’s nest: perhaps in the shape of a bowl, woven from grasses and stems with a skill that seems inexplicable. How could a creature with such a ...

The parrots of San Francisco have ancestors from two species that hail from two completely separate parts of South America. Amir Aziz / Bay Nature This San Francisco story begins somewhere along the ...

August 13, 2026: As forecasts have changed, we’ve updated the text to indicate that a “very strong” El Niño for this fall and winter is almost certain. The Climate Prediction Center is also now ...

A sea otter swims through shallow pickleweed in Elkhorn Slough. (Photo by Charlie Day, Flickr CC-BY-ND 2.0) Ever since the 1930s, when an improbable remnant colony of sea otters was discovered off the ...

Pastures are visible from a derelict milking barn at the historic D Ranch, founded in 1870 and abandoned after the creation of Point Reyes National Seashore. There’s an ambitious plan to restore these ...

An old railway track used to haul lumber runs through a redwood forest in Northern California. By the early 1860s, the old-growth redwoods in the East Bay had been felled and logging activity had ...