Fw: Kookaburra eyes

To: Bill Stent <>
Subject: Fw: Kookaburra eyes
From: "Donald G. Kimball" <>
Date: Wed, 24 Feb 2016 04:25:59 +0000
Bill this should be a super thin membrane that passes over the eye if I am
correct on this one.  Although it should show it only 1/2 covered in some

On Tue, Feb 23, 2016 at 8:08 PM, Bill Stent <> wrote:

> I was wandering around Banyule Swamp this morning when I found a
> Kookaburra.
> Taking some photos I noticed that when the bird's head was turned at a
> particular angle the eyes looked clouded, but on a different angle they
> appeared clear (see attached photos).
> Does anyone know what this is?  Is it an optical thing, related to the
> efficiency of the eyes, or something else?
> Bill
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