[EBB Sightings] Fox Sparrow subspecies?

Hello whoever you are:

Passerella iliaca unalaschensis, or the Sooty Fox
Sparrow, would be the most common and most likely
sub-species found in El Sobrante in fall and winter.
Best regards,
Bob Power
Oakland, CA

--- SatinTex at aol.com wrote:

> As a relatively new California birder, I am unsure
> which subspecies of Fox  
> Sparrow I saw in my El Sobrante yard today. Looking
> at the NG guide, I  thought 
> "unalaschcensis".  But when I went to Sibley for
> comfirmation  I got totally 
> confused.  Sibley doesn't use Latin subspecies names
> for this  bird so I can't 
> correlate them with NG. Help, please!  Thank you.
>  
> _Hungry Mouth_
> (http://hungrymouth.typepad.com/hungry_mouth/)  
>