Let's Get Quizzical

Update: The quiz is now over.  The mystery bird is a juvenile Palm Warbler (Setophaga palmarum).  The greyish head and pseudo-spectacles likely threw off most that chanced a guess.  I will add a different view of the bird that shows the chest of the bird, which gives it a stronger likeness to Palm Warbler as West Coasters know them.  The feature that helps the most (in my opinion) in pointing toward this being a Palm Warbler is the olive-brown back that strongly contrasts the dark yellow rump.  Thanks to all that participated!

The lightly streaked chest is a field mark that probably would have pointed a little too strongly to Palm Warbler to make this a good quiz bird shot.

I took a photo today and thought it would make a great quiz bird shot.  I think it would be sad to have only a few votes in a poll, so I'll just leave this one open as a quiz to anyone who cares to take a stab at it.  I think it's a little tricky, so I'm hoping some of you will not feel shy and take a guess either in private or in the comments section.  Heck, if you're feeling up to the challenge you can also try to guess the age too!

Here's the bird in question - the photo was taken on August 6, 2012:

Who am I?  We now know it's a Palm Warbler!

Put your thinking caps on, dust off your Golden Guide and flip to the fall warblers page, and share what you come up with for an identification.