Hey Mark,

This is definitely a Brewster's-type Warbler.  Hybrids of the winged warblers can be much more variable than the typical illustrations.  The Peterson Warbler guide shows several combinations and is a very useful reference that is worth having for many reasons.

A more important note to take from your photo is that people should be making efforts to see all heard-only Golden-wings at Old Legislative Road (and everywhere really).  Golden-wings are becoming much harder to find in Western Maryland and it would be really helpful to know that all of these reported birds are actually Golden-wings, phenotypically at least.

Good birding!

Matt Hafner
Forest Hill, MD

On Jun 3, 2012, at 6:41 PM, Mark Johnson <> wrote:

> Hi all,
> 
> I spent parts of yesterday and today birding in Allegany and Garrett Cos. and this morning I photographed what I'm calling a Brewster's Warbler along old Legislative Rd. The bird has a modified face mask that gives the appearance of a black necklace. I couldn't find any photos that matched this pattern, so I wasn't quite sure how to label it. Here's a link to several photos. http://www.flickr.com/photos/27381338@N03/7330910128/in/photostream I'd be interested in hearing opinions on the bird's lineage.
> 
> Have fun
> 
> Mark Johnson
> Aberdeen
> 
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