Date: 9/3/12 10:20 am
From: Peter Lev <plev...>
Subject: [MDBirding] unusual warbler at Cromwell Valley


I birded at Cromwell before an intense mid-morning rain. Just north of the
buildings at Willow Grove Farm I ran into a pocket of migrants including
Magnolia (4), Chestnut-sided (1) and Blue-winged (1) warblers. And.there
was a very dark warbler with dark brown back and face; no wing bars, eye
ring or eye stripe; brown with a hint of yellow on the breast and undertail;
a gray-brown area on the belly; and brown with a hint of yellow on the
uppertail. I'm fairly sure this was a first year Common Yellowthroat, but
by far the darkest I've seen (I did think about first year Mourning Warbler
but couldn't make the details fit). Shape and behavior were consistent with
Common Yellowthroat. If anyone has a different thought please let me know.



Peter Lev

Baltimore, MD

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