Split Head Colour in Gouldians?

[JEWEL]

I was just cruising pics of finches on google image, and came across a photo of a gouldian held in hand which looked like a green back, blue around neck, purple chest - and the head colour was split smack down the middle between the eyes, one side red, other side black. When i clicked on the photo for a better look, it came up as having come from AUSSIE FINCH FORUM!!! So i take it someone from here owns or owned that bird. Does this split head colour happen much or is it rare ? Never seen it before is all. Actually, never seen much of finches period until i got into them just not long ago, so i am really interested in everything about them. What would cause this to happen in breeding ? I take it (it) would be a fault, or is that a wrong assumption ?

[Misso]

Half Sider seems to be the term used to describe these birds. you don't see too many around,

i think theres another word for them as well, gandamorph or something. just guessing.

[Stavros01]

I think halfsider and gynandromorfh are diferent thinks.
Half sider is a bird that shows two destinged mutations of the same sex. Gynandromorfh is a bird that shows one side male and the other side female caring both sex. Normaly, for exemple in a Gouldian they sing and lay eggs, too.


regards
Gustavo

[gomer]

I remember seeing that particular bird from one of our members.Is a very interesting bird indeed.Also is very rare to see aswell.I wonder what happened to that bird and any offspring ??

JEWEL you can do a search up the top of the page if you have not found it yet.Just put in a key word in the search function.
search.php" onclick="window.open(this.href);return false;

Very handy for looking for a particular thing.

[Diane]

This is the thread the picture is in
viewtopic.php?f=41&t=164&p=2966&hilit=G ... orph#p2966" onclick="window.open(this.href);return false;
We also had another possible one, this time a Zebra
viewtopic.php?f=90&t=5354&p=39582&hilit ... der#p39582" onclick="window.open(this.href);return false;

[Stavros01]

In my opinian, the Gouldian is halfsider, teh Zebra finch is a gynadomorph.


Regards
Gustavo

[bleeding green]

The halfsiding is not transferrable to offspring. It is a defect in the bird itself. They can look very stunning.

[POLAR GOULDIANS]

Generally with the gouldian " halfsiders " one half will have male colouring and the other will be female, which would indicate that they are gyandromorphs.
In ABK's " A guide to gouldians" there are several photos of halfsiders on page 116 ?, clearly showing the male/female colouring.
As Bleeding Green said, they will breed but won't pass on the halfsider effect.