ID from song, location, and time of year.
Same specimen as http://www.inaturalist.org/observations/1375357
Looks like a new tail growth.
About 5 to 6 inches long.
On north facing slope of Bell Canyon Park area.
ID det. Tarja Sagar. Not in great shape...
ID det. Tarja Sagar
With red saddlebags, unfortunately its appearance was barely 30 seconds and these 2 crappy photographs are all I got, though the identity was perfectly clear!
Less poor than the black saddlebags picture but still not brilliant!