Diet change ....
--- wrote:
> Hi All,
>
> Here's a list of replies i got to my initial posting...i'm still
> unconvinced about this colouration:
>
> Sender Sighting Location
> Suggested
> Cause
>
> Peter Fuller(myself) Fyansford, Geelong,
> VIC
> Wanted to stand out in a crowd
> Jill Dark
> Cairns/Atherton
> Tablelands,QLD Feeding on Red Soil
> Philip Veerman No sighting
> Wood
> pulp from nest excavating ( educated guess)
> John Reidy Leeton, NSW
>
> Bathing in puddle of very muddy red water (visibly muddy)
> Duncan Fraser Gippsland, VIC
>
> ??????????????????
> Annabel Ashworth/Hoskins Tamworth, NSW
> Molasses
> from farmers feed supplement blocks turning feathers pink.
> Alan Gillanders Atherton Tablelands, QLD
>
> Staining from red, tropical soils.
> Jack Shapiro Mosman, NSW
>
>
> Heres some images of the bird i saw down at Fyansford:
>
> http://www.boogey.org/~peter/SCC/PinkSCC.html
>
> Please let me know if you have troubles accessing this link.
>
> Cheers,
>
> Peter
>
>
>
>
>
>
>
> On Thursday ( 23/10/03) while walking at Balmoral Beach (Mosman,
> NSW), I
> observed a group of 4 Sulphur-crested Cockatoos feeding on grass
> roots on
> the lawn. One of them was had a light brown colouration to most of
> it
> feathers except the head. In bright sunlight it looked brown, but
> perhaps
> under lesser bright conditions it may be viewed as "pinkish". The
> bird
> itself looked exactly like the other cockatoos in its features, not
> like a
> hybrid. I have seen hybrid of Sulphur-crested Cockatoos and Galahs,
> and
> this was not one of them. The bird didn¹t look dirty, but at the
> interface
> between the coloured and white regions of the plumage , the
> colouration
> didn¹t look natural. This may well be an example of what Peter
> Fuller
> suggested a phenomenon related to nesting.
>
> Recently there has been correspondence on this type of observation in
>
> birding Aus, with Peter Fuller initiating the subject (Peter Fuller ;
>
> [BIRDING-AUS] Sulphur-crested Cockatoos colouration- 27, 28,29 August
>
> 2003).
>
> What is curious is that such colouration has only been reported this
> year,
> and on other different individuals of this species, at very diverse
> locations. Could the dry weather this year be responsible in so
> indirect
> way ?
>
> Jack Shapiro
>
>
>
>
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