Date: 3/7/17 8:23 am
From: Bob Archer <rabican1...>
Subject: [obol] Re: Dipper question
Sibley states that no one knows for sure but a guess is as an aid in
communication on noisy streams..

http://www.sibleyguides.com/2013/04/the-white-eyelid-of-american-dipper/

Bob Archer
pdx

On Tue, Mar 7, 2017 at 8:11 AM, Linda Fink <linda...> wrote:

> Why do Dippers, alone among birds, have white eyelids? White *feathered*
> (tiny feathers) eyelids at that. I can think of possible purposes but
> cannot find, in a web search, any definitive answer.
>
> Linda Fink, pondering in Grand Ronde
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