Olympia oysters, whose native range runs from Baja California to southern Alaska, are being enlisted as ecological engineers ...

Bay Nature Talk: Sunflower Sea Star Join Bay Nature Magazine and Cal Academy marine biologists and experts Riah Evin and Elora López-Nandam for a virtual talk about sunflower sea stars on Wednesday, ...

When ranchers leave the land, what version of nature takes over? The park and The Nature Conservancy have ambitious restoration plans.

Here to stay? Mats of Eurasian watermilfoil clog waterways in the Tahoe Keys, on Lake Tahoe’s south side. It can regrow from a wisp. (Sonya Bennett-Brandt) Biodiversity What Lies Beneath Can we keep ...

Yellow-bellied sapsucker (Kyle Tansley) Biodiversity A Sapsucker Superspecies Is Evolving In Our Midst The family tree for these woodpecker family members has gotten rather complicated.

Conservation How Local Conservationists Are Planning for the Trump Era Prop. 4’s $10 billion for climate adaptation is one blessing. Another is money that can’t be unspent.

For the first time in history, black bears are living in North Bay counties, occupying an ecological niche once filled by grizzlies.

Scientists have schlepped up some silvery blue butterflies, Glaucopsyche lygdamus, from the Monterey area to the Presidio, to stand in for their extinct cousin. (Gayle Laird, California Academy of ...

A group of coho salmon alevin, with intact egg sacks still visible. (Will Boucher) Conservation A Last Best Hope for Coho in the Russian River Now equipped with $8.4 million in federal money, ...

Inspired by the science of beaver wetlands, activists tackle a long-held belief that beavers aren't native to much of California.

Shade is nowhere to be found on a stretch of International Boulevard in East Oakland. Like the rest of the flatlands, this area historically got highways and rail lines instead of parks and trees.