19mm length. Found this guy in the leaf litter below a live oak (live oak/chaparral habitat).
16mm length. Genus ID by Tim Loh @ BugGuide.
Walking on the trail. I'm not sure if this is the same species that is in my backyard at night (http://www.inaturalist.org/observations/810117).
still working on the ID of this tiger beetle
black beetle, quiet, small, black