Date: 6/27/20 9:07 am
From: Nels Nelson <nelsnelson7...>
Subject: [obol] Re: Wood Duck question
https://ebird.org/checklist/S70857837

Sorry, my photo was too large so didn't go through. I've loaded it on to my
eBird report so now should be visible.
Nels

On Sat, Jun 27, 2020 at 8:01 AM Nels Nelson <nelsnelson7...> wrote:

> This Wood Duck yesterday at Commonwealth Lake Park in Beaverton
> was hanging out at a park with lots of people. He is certainly a raggety
> looking specimen.
> Nels Nelson
> Hillsboro
>
> On Sat, Jun 27, 2020 at 6:50 AM <whoffman...> wrote:
>
>> Definitely molting. Most of our waterfowl have a summer molt and a
>> fall/winter/spring molt.
>>
>> It makes sense to compare body (contour) feathers to shingles on a wall
>> or roof. They overlap extensively, and a relatively small part of each is
>> exposed. Compare a bird molting some of these to a wall or roof with some
>> shingles missing (unfortunately the shingles won't grow back). This
>> results in exposure of normally covered parts of the feathers/shingles
>> under the missing ones. The pale-looking feathers on the Wood Duck flanks
>> look that way because normally hidden sections of them are exposed.
>> Feathers tend to wear and sometimes bleach with age, and often get ragged
>> tips or margins. Ingrowing fresh feathers have much cleaner margins and
>> tips, and often brighter pigmentation. In the Wood Duck photo, one feather
>> high on the right side is brighter blue and appears larger than the
>> surrounding ones. This is a newly-grown feather, with unbleached color and
>> unworn edges. It looks bigger because the feathers that normally cover
>> most of it have molted and have not yet grown back.
>>
>> If you learn to recognize these features of plumage, recognition that a
>> bird is molting can become almost automatic.
>>
>> Wayne
>>
>> ------------------------------
>> *From: *"<baro...>" <baro...>
>> *To: *"jonathan" <jonathan...>
>> *Cc: *"obol" <obol...>
>> *Sent: *Saturday, June 27, 2020 7:57:14 AM
>> *Subject: *[obol] Re: Wood Duck question
>>
>> Molting?
>>
>>
>> https://ebird.org/checklist/S70017091#_ga=2.154951728.964915143.1593154882-824734375.1590261844
>>
>> amazingly few photos in the Macaulay Library of Wood Duck molting.
>> Especially given that they hang out at parks with lots of people.
>> Bob OBrien Carver OR
>>
>> On Sun, Jun 7, 2020 at 10:09 PM <jonathan...> wrote:
>>
>>> Anyone have a diagnosis of what is up with this Wood Duck? (stretching
>>> his wing).
>>>
>>> Not sure if he is leucistic, molting, a hybrid, or a juvenile… maybe
>>> some combination of those?
>>>
>>>
>>> http://phlumf.com/index.php/nggallery/the-willamette-valley/Hillboro?page_id=414#foobox-1/13/Wood-Duck-001.jpg
>>>
>>>
>>>
>>> Jonathan
>>>
>>
>>

 
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