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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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  #1  
Old 01-13-2018, 05:34 AM
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Default Hen With Both Spangle and Normal Feathers?

Hi,
I'd like to get the opinions of people on here on one of my budgies' mutation.

It seems that she has both spangle and normal wing feathers. Her throat spots are solid and the quills in her main tail feathers are black instead of neutral/white which indicates she is not a spangle, however, her flight feathers on her wings are those of a spangle?

Does anyone have any idea why this could be occurring and whether she is a spangle or not?

Her mother is a Yellowface Single Factor Spangle Sky Blue/Greywing and her father is a Single Factor Spangle Opaline Sky Blue/Greywing.

She is 7 months old so has moulted out of her baby feathers.

(Sorry the second picture is landscape)
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Hen With Both Spangle and Normal Feathers?-20171230_154446-2-.jpg   Hen With Both Spangle and Normal Feathers?-20171230_154650.jpg   Hen With Both Spangle and Normal Feathers?-20170713_153258.jpg  

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  #2  
Old 01-13-2018, 02:24 PM
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Actually, she has both spangle and opaline feathers.


Opaline and spangle are two mutations, which, if both present, are incompletely dominant to each other, producing a bird that looks like this (as you know):


(Credit to Google Images)

However, it seems that here there was in error in the way that the genes mixed, which made them co-dominant rather than incompletely dominant.

In this case, she shows both spangle and opaline traits separately rather than the usual combined traits. It's definitely very, very unique and I would say probably extremely rare.

This is an example of a spontaneous mutation, which happens naturally as a result of errors in transcription/translation of the DNA.

She's a very beautiful and unique girl!
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Old 01-13-2018, 09:34 PM
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Wow! That's really interesting!

So her visual mutation is SF Spangle Opaline Sky Blue?

Why is her tail white with a black quill then since Opaline Sky Blues have solid black tails and SF Spangle Opaline Sky Blues have solid white/neutral tails?

Last edited by crazybirdgal; 01-13-2018 at 09:46 PM.
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Old 01-14-2018, 12:31 AM
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It's somewhere in between opaline and spangle, I suppose

Yes, she's SF Spangle Opaline sky blue What a pretty girl! I do hope you'll keep on posting pictures of her
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Old 01-14-2018, 04:13 AM
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She is a sf skyblue spangle opaline. This combination varies a lot and this is how some look, though yours is particularly nice. Often the black markings are lost (like in the picture Starling posted) and so many people do not like the look of this combination. Yours has nice strong spangle markings, this is how they are supposed to look. She has strong markings and a clear mantle, very nice! As Starling mentioned there are some opaline marked feathers in amongst the spangle ones, which is making her look a little bit different.

The tail is clear, the quill is dark but that is also common enough in spangle opalines. If you do a search for pictures of spangles and spangle opalines you will see there is a wide range of normal for the markings whenever spangle is involved. They often even have solid black feathers of a normal thrown in here and there.

Last edited by tonic; 01-14-2018 at 04:19 AM.
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Old 01-14-2018, 08:21 PM
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Quote:
Originally Posted by StarlingWings View Post
Yes, she's SF Spangle Opaline sky blue What a pretty girl! I do hope you'll keep on posting pictures of her
I'll try to but she is an aviary bird so it might be tricky to get good ones . I've been looking for girl names that mean 'unique' that I can name her. At the moment I like Aino which is a Finnish name that means 'the only one'. Still not 100% sure though .
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Old 01-14-2018, 08:53 PM
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Quote:
Originally Posted by tonic View Post
She is a sf skyblue spangle opaline. This combination varies a lot and this is how some look, though yours is particularly nice. Often the black markings are lost (like in the picture Starling posted) and so many people do not like the look of this combination. Yours has nice strong spangle markings, this is how they are supposed to look. She has strong markings and a clear mantle, very nice!
Thankyou very much!

Last edited by crazybirdgal; 01-15-2018 at 08:13 AM.
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