Yellow back ID

[J_Robbo]

Hi all, I picked up these yellow back at Port Macquarie on the weekend not sure on which mutation.

[finchbreeder]

Both look like cocks to me. The first has to be European yellow as he has a purple breast. The 2nd would be easier to tell if we could see the birds back.
LML

[J_Robbo]

Thanks finchbreeder yeh the little bugger would not turn for me, its back is very much like the others in it as a lot of white throgh it.

[finchbreeder]

The most effective way to tell is breed the White breasted to a known normal hen in a seperate avairy. And depending on what turns up the type will be obvious.
LML

[J_Robbo]

A couple more photos

[Craig52]

I would say both DF euro yellows. Craig

[Mr Tino]

Hi there they both look like DF,if you want to poof a thing,put the w/b yellow back to a normal hen and wait and see what turn out,Rember one thing when you put Australian yellow clear back in with a DF yellow w/b you wont tell different,then if bird is carry both mutation,you have look at the off spring.(I hope this will help you)


Cheer from Mr Tino