This reminded me of a post on Feathers and Photos forum a while ago - one of
Fatih's photos of a Powerful Owl. It's the same condition isn't it?
http://www.fthsm.com/Galleries/Birds/Owls-and-Night-Birds/11777741_CNRbBd#!i=734193588&k=cto2c&lb=1&s=A
Regards Josh
> From:
> To: ; ; ;
>
> Date: Fri, 20 Apr 2012 18:47:12 +1000
> Subject: Re: [Birding-Aus] Blown eyes
>
> I am aware of two Black-necked Storks that had unusual eyes. One was
> observed by a number of people in the Taree area. It appeared to have one
> yellow iris and one dark (?brown) iris. Locals referred to it as the
> 'hermaphrodite stork' as it had one male coloured iris and one female
> coloured iris. I observed a female Black-necked (Satin) Stork at Roberts
> Creek, Woodford Island a couple of years ago. It was in the company of a
> banded male. The female had one yellow iris and the other appeared dark
> (brown) however when observed closer the iris seemed to be yellow but with
> red colouring as if it was damaged and covered with broken blood vessels.
> The male bred with a female with normal eyes and we don't know whether it
> was the same bird that had the injury but that it had mended and returned to
> being yellow or whether he chose another female. The female with the
> damaged iris was observed once following the first sighting but has not been
> seen since the birds started to breed. Unfortunately the banded bird was
> killed on powerlines and the female had to raise the one nestling by
> herself, a feat which she did successfully achieve.
>
>
> Greg
> Dr Greg. P. Clancy
> Ecologist and Wildlife Guide
> Coutts Crossing
> NSW 2460
> 02 66493153
>
>
> -----Original Message-----
> From: Damien Farine
> Sent: Friday, April 20, 2012 5:36 PM
> To: ; ;
>
> Subject: Re: [Birding-Aus] Blown eyes
>
>
> Ahh but that blog missed out on one crucial bit of information. It is
> interesting that they mentioned American oystercatchers because a paper was
> recently published describing eye flecks as a reliable sexing method in the
> American black oystercatcher. In essence, females have a full eye fleck
> whereas males only a small one or none. Thus, it is unlikely that this is
> caused by injury! Details of the paper are here: Guzzetti, B. M., Talbot,
> S. L., Tessler, D. F., Gill, V. A., & Murphy, E. C. 2008. Secrets in the
> eyes of Black Oystercatchers: a new sexing technique. J. Field Orn. 79:
> 215-223.
> Damien
> > Date: Thu, 19 Apr 2012 20:49:41 -0700
> > From:
> > To: ;
> > Subject: Re: [Birding-Aus] Blown eyes
> >
> > Hi Carl,
> >
> > Thanks for that. Interestingly, that was the site I saw this morning!
> >
> > Sonja
> >
> >
> >
> > ________________________________
> > From: Carl Clifford <>
> > To: sonja ross <>
> > Cc: "" <>
> > Sent: Friday, 20 April 2012 1:45 PM
> > Subject: Re: [Birding-Aus] Blown eyes
> >
> > Sonja,
> >
> > Sorry, can't help you with the cause, etc, but here are some good images
> > of "blown eye". Will have give bird's eyes a closer look.
> > http://www.mygreatsaltlake.com/2012/02/birds-with-blown-eyes/
> >
> > Cheers,
> >
> > Carl Clifford
> >
> > Sent from my iPad
> >
> > On 20/04/2012, at 11:58, sonja ross <> wrote:
> >
> > > I was looking at an overseas birding blog this morning while having a
> > > coffee, and it was about "blown eyes", a term I hadn't heard before. It
> > > seems to be when the pupil leaks into the iris. Is this a term used
> > > here?
> > >
> > >
> > > I've recorded it once that I remember in a photo of a Great Egret, where
> > > one eye was normal, and the other had a dark area going from the pupil
> > > into the coloured area. Has anyone else seen this?
> > >
> > >
> > > The blog writer speculated about possible causes. Does anyone have
> > > thoughts about that?
> > >
> > > Thanks.
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