Looking north along the beach and cliffs at Kehoe Beach in Point Reyes National Seashore. Read about the the geology of Kehoe in "A Trip Through Time On the Pacific Plate," in the July-September issue of Bay Nature. | Photo by Najib Joe Hakim

Nature News

Ask the Naturalist: The Secret of the Slender Redwoods

Why are some stands of redwoods so spindly? Marin County Parks naturalist David Herlocker explains this anomaly.

Richardson Bay Sea Otter Likely Died From Parasite, Biotoxin

The sea otter that spent three weeks in Richardson Bay in late June and early July likely died of a “one-two punch” of domoic acid poisoning and infection from the possum-borne parasite Sarcocystis neurona, a California Department of Fish and Wildlife pathologist says.

Today in El Niño Advice: Don’t Worry About The Blob

The Pacific Ocean is the hottest we’ve ever seen it. What that means — or doesn’t — for the coming El Niño.

A Condor Recovery, Fueled By Volunteers, Needs More Help

Through their numbers are on the right track, the condor population isn’t self-sustaining. Condors in the wild still face significant threats from lead poisoning and micro trash, and require constant monitoring — most of it by volunteers.

El Niño’s Here. What Does That Actually Mean?

Two strong historical El Nino wet winters nurture hope for relief from our current drought. But there are several good reasons to hedge about the coming winter.

The Peninsula Watershed: To Open, Or Not To Open?

The 23,000 acres around Crystal Springs are prime hiking territory in an urban region desperate for more places to get outdoors. They’re also home to numerous endangered species, and critical to San Francisco’s drinking water supply.