The Disappearing Language of Sparrows
San Francisco white-crowned sparrows have their own dialects. As the city gets louder, those dialects are disappearing.
Urban Nature
Love Muir Woods? Park Service Asks: Please Stay Away
A reservation system for the popular redwood grove is coming in 2017. Until then, the Park Service urges residents to stay away.
Q&A With the Proprietor of the ‘Ladybug Hotel’
Jeremy Brautman describes the feeling of a "loveliness" of ladybugs, and explains how he decided to try and help the loveliness along.
Brown Pelicans Show Breeding Failure
About 100 California Brown Pelicans made an unusual appearance on the old wooden dock on the south side of Alameda Point. But only one of the pelicans could be identified...
The Front Line in California’s Mosquito Monitoring: Sentinel Chickens
In the heart of Silicon Valley, the most reliable technology we have for monitoring West Nile virus is a bird domesticated in the Stone Age.
On The Trail of the Surprisingly Mysterious Gray Fox
Gray foxes in the Bay Area: Where are they? What are they? The answer to both questions is surprisingly complicated. Fortunately, there's "The Fox Guy."
How Humans, and Dogs, Can Coexist With Coyotes in San Francisco
San Francisco holds public meetings on coexisting with coyotes.
Learn How to Recognize a Spider By Its Web
Spiderwebs are nature's most ideal trap. And different web types represent a different evolutionary strategy of ensnaring a meal.
What Flows Beneath Temescal
Temescal Creek flows through concrete culverts from Lake Temescal through the flats of Oakland and Emeryville, into San Francisco Bay—out of sight and largely out of mind. Creek advocates are...
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...
