snowing & windy day.
This appears to be her mate (https://www.inaturalist.org/observations/209913698 ).
Probably the same male as this one (https://www.inaturalist.org/observations/209010353 ), but this looks like his mate (https://www.inaturalist.org/observations/209913696 ).
On California Buckeye
Using iNat's suggestion after review.