Until recently, Sonoma County was the farthest south it had ever been seen, about 80 miles north of Stevens Creek. What the heck?
I saw a bunch of spiders hanging from structures in the middle of their webs. What are they and why do they do that? Looks like you’ve stumbled across one of the more interesting web builders of the Bay Area, … Read more
How do slugs and salamanders survive the summer? Ah, seasons. The Bay Area may not have the distinct seasonality of New England, but there is a definite cool and rainy season and a definite dry and hot season, and our … Read more
If the snake you encounter looks perturbed, don’t count solely on head shape when you ID it.
Everyone’s heard about Muir Woods. Where can you go to get away from the crowds and still see the nature that makes Northern California is famous?
It’s not smog or smoke making the sky more colorful.
People often say baby rattlesnake bites are more dangerous than adult rattlesnake bites. Is the conventional wisdom correct?
A reader finds a small brown moth, the type you regularly see under porchlights. Where do you begin to identify it?
A reader found a huge spider. Is it a tarantula?
An Ask the Naturalist reader finds some egg-looking things on Juncus leaves. What are they?