[Tweeters] Leucistic Bewick's Wren
clsouth at u.washington.edu
Thu Feb 18 09:37:03 PST 2016
Wow, this would be great camouflage if it was in a snowy area! Thank goodness for the blackberry brambles.
That's the most fully leucistic plumage without being albino that I have seen. I wonder when it molts if the feathers will come back in with color.
Black-capped Chickadees often have extra white feathers, especially on their heads, as first year juveniles, but the following year after molting (recaptured after the first banding), their plumage was "corrected".
I have often wondered what caused this anomaly--food, or lack there of, usually results in barring in the tail feathers, no barring was seen.
Maybe the type of food?
Temperature when the egg was being brooded?
Genetics?-(like toe-headedness in human young where their hair darkens as they age)
Thanks for sharing with tweeters. It is always so fun to see what is out there (since I am still working and can't bird as much as I would like.)
clsouthwick at q.com
On Wed, 17 Feb 2016, Russ Koppendrayer wrote:
> Date: Wed, 17 Feb 2016 22:53:58 -0800
> From: Russ Koppendrayer <russkope at gmail.com>
> To: Tweeters <tweeters at u.washington.edu>
> Subject: [Tweeters] Leucistic Bewick's Wren
> Hi Tweeters,
> Around noon today (2/17/16) I relocated a completely leucistic Bewick's
> Wren in a blackberry patch along Dike Rd about 0.4 mile south of Caples Rd in the Woodland Bottoms. It was in full song, but liked to stay down in the brush a bit, which may be why it
> has lived this long as it jumps out when it is out in the open. I first saw this bird a bit farther south on 11/8/15 but never relocated until today. Terry Anderson happened along and
> got some photos and shared a couple with me. These can be found in my eBird post at the following link
> Russ Koppendrayer
> Longview, WA
University of Washington Medical Center
1959 NE Pacific Street
Seattle, WA 98195-6015
phone: 206-598-7398; fax 206-598-6075
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