Unusual California Gull

Scott Bowers

Hey, I just wanted to get this out there in case I am mistaken about the ID.
This is what I believe to be a California Gull that I saw yesterday during the counts. 
Thing is, the back of this gull is much darker than any of the other CA gulls in the area including the one in the front 
of this image.  I wanted to get this out there before the count week is up.

- Scott Bowers