I agree with Sue. Female Black-throated Blue Warbler. 

  --
Ron Payne
Middlebury, VT

On Thu, 29 Dec 2011 15:45:43 -0500, Sue Wetmore <[log in to unmask]> wrote:
It appears to have the small wing mark of a female black-throated blue 
warbler. 
>
> Sue Wetmore
>
> Sent from my iPod
>
> On Dec 29, 2011, at 3:36 PM, Randy Schmidt 
> <[log in to unmask]> wrote:
>
> > I had a customer send me a photo of a bird that showed up yesterday 
> on their deck in Arlington, VT - Have had a couple of guesses at the 
> ID, but thought I would put it out there for more input.  Have had a 
> couple of votes for female American Redstart, or maybe what Sibley 
> calls Brownish 1st year Yellow Warbler?? > > 
> http://www.flickr.com/photos/37954945@N04/6595996557/in/pool-929116@N20/
> > > Any thoughts or input appreciated - > > Thanks - > Randy > The 
> Vermont Bird Place & Sky Watch
> > Manchester Center, VT