Walked near a coiled, angry rattler (my husband walked right by it 2 min. earlier). Went up around it on a small hill. It was approx. 3-4 feet (hard to tell coiled). It was up at the top of the Astastadero Preserve.
If you think this observation is inaccurate, please add an ID, participate in the quality assessment above, or describe the inaccuracy in a comment.