It’s rare to see this relative of the trap-door spider but their silken tubes are fairly common in the North Bay Area. Lurking within their silken lairs they’re part of an ancient lineage of arachnids and have a fascinating life history, read more in David Lukas’ Bay Nature article https://baynature.org/article/and-this-little-spider-stayed-home/
Ben Klocek 2021-11-30
How delightful! I’ve got my eyes peeled open for them now 😀