Is it actually the angle, or just the nictitating membrane?
Peter Shute
Sent from my iPhone
> On 24 Feb 2016, at 4:05 PM, Bill Stent < billstent@gmail.com> 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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