Jared and others,
EBird shows two reports of hybrids:
1. single bird by Steven Mlodinow -- Fir Island, Skagit County, Washington, US http://ebird.org/ebird/view/checklist?subID=S10163629 Comments: "published in NAB; presumably returning bird. In flock of Trumps. About 8-10% yellow stripe on bill; bill shape somewhat hefty, but intermediate. Bird did aggression displays of Trumpeter Swan."
2. single bird by Jim Stasz, Marshall Iliff -- Lilypons Water Gardens, Frederick County, Maryland, US http://ebird.org/ebird/view/checklist?subID=S12896254 Comments: "imm. photos. previously reported"
Good birding, Mike Burchett Ocean Pines, MD flickr.com/photos/mikeburchett/
On Thu, Feb 28, 2013 at 9:00 AM, Jared Fisher <Jared.Fisher...>wrote:
> Thanks Mikey for the very informative post. I'll admit to not even having > heard of this hybrid combination. I had written in my ebird checklist and > flickr description about this bird not appearing to show the classic V > pattern of Trumpeter swan (visible in this photo > http://www.flickr.com/photos/69746634@N02/8490200154/in/photostream). > However with a close look (pointed out to me by Nancy Magnusson), there is > something a little weird going on with this field mark on this bird. There > is a discontinuity in the coloration, with the darkest black making a V > shape and a lighter shade in the middle. We had assumed that this was > perhaps just dirty/stained feathers? Of course, given all the other > inconsistencies mentioned, your case for it being intermediate is pretty > convincing. Does anyone have more information on the status of "Trumpling" > Swans or even other photos of presumed birds? > > Thanks again, > > Jared Fisher > Bethesda, MD > >
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