Question: Yellow face Spangle - Talk Budgies Forums


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Go Back   Talk Budgies Forums > Budgie Talk > Budgie Breeding > Mutations and Genetics


Mutations and Genetics Learn about budgie genetics and the wide variety of mutations.

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Old 09-28-2015, 02:39 PM
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Default Question: Yellow face Spangle

I know that a blue spangle's primary tail feathers are white, but will it be white if it is a YF Spangle?

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Old 09-30-2015, 03:39 AM
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Someone have to know the answer!!!
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Old 09-30-2015, 05:26 AM
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I think it will vary depending on how much yellow coverage there is, but I am really guessing rather than being sure!
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Old 09-30-2015, 06:48 AM
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Primary tail feathers of spangles are not always white (a problem for show breeder's)

Yf gene fully appears even on total albinism variety such as ino (Yf Albino called Creamino)

Here is a picture of Yf spangle after 2nd or 3rd molt all blue turns into green and was more yellow I don’t have him now otherwise I would have posted current picture


Last edited by chirper; 09-30-2015 at 10:51 AM. Reason: spellings
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Old 09-30-2015, 07:21 AM
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They are yellow yes
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Old 10-07-2015, 07:37 AM
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Hi Dries,

It been a while since me on forum - too busy other things..glad to see you are still around!
Won't you also have joined the Show-Budgie fraternity (club up north)?

To answer: Yes, indeed the tail feathers and wing-cover feathers change from white to yellow-colour.....but, what I've noticed is that the secondary tail feathers are "more affected visually" (yellow-face "colour reducing"-gene remember; thus better to state "yellow-face gene influence" not as great in tail-feathers!) ...

Thus, the Primary Tail-feathers are not so easily changed to yellow, as would be the case for wing-cover feather and secondary-tail feather markings...

The attached picture of Black-Cap indicate this better, but the Tail-feathers of many Blue birds with YF genes stay un-affected...it must be something to do with the "strength/dose" of YF-gene, just as the "DF (double-factor) YF gene make-up" influence would have on the yellow in face / head of bird; thus yellow is completely "washed-out" so it looks like a normal "white-faced blue" bird...

It would be interesting to hear Genetic-experts' view on why (as in the earlier YF Blue-bird posted above + mine) is their strong Opaline markings present in the tail [blue tinged edges to the yellow-coloured secondary tail feathers]...while these blue-body colour markings (from body colour, as in Opaline gene) is "less-prominent" in the wing-markings, where the black spangle marked edges remain?

Keep well & Njoy the hobby/birds,
ICIT greetings,

Jaco deK
Cape Town
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Question: Yellow face Spangle-budgy0711_1000174e1.jpg  
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