Miller Knox - Hybrid Sapsucker, Storm Wigeon, Hooded Mergansers
A hybrid Red-naped x Red-breasted Sapsucker continues at Miller Knox in the sapsucker area near the closed parking lot. (37.915740, -122.384132). It appears to be the same bird reported by Dan Roth on December 11. A Red-breasted was also present at the south end of the same lot. Among the 180 American Wigeon was a Eurasian and a "Storm" type, and the two Hooded Mergansers continue in the pond.
You can see some photos on the eBird report: https://ebird.org/checklist/S78882112