Sorry to bother you once again, but i couldn't find any photos of red/mahogany peacocks. I really tried, and all i could find is obvious photoshop and ai.
That's because there are no "red" peafowl and mahogany as far as I remember was Brad's attempt to steal another color and say he made it, but I believe that ended up being hazel.
If you mean red buff, red buff is NOT a mutation, it's just a phenotype some Spaldings have, that a few breeders have selected for over time (like selecting a blacker black mouse, or selecting mice with bigger ears, you're not actually creating a different mouse, just shifting the phenotype through selection pressure). They're also not really "red" they are just more buff colored than usual, and this is normally only really seen on young BS and on adult BS hens, most notably on purple bs spalding hens.
It can show on purples in barred wing, like this young purple male:
but as BS birds usually have a lot more color overall when they're under 2 years of age, the "red" on them often fades by adulthood.
There are some birds that hold it better than others, but since it's a phenotype that needs constantly selection and isn't passed 1:1 from parents to offspring, it's polygenic, and most likely the result of an interaction between the blue and green genomes, it's not something most breeders focus on. it can be really pretty on a good bird, but not particularly worth the price tag that comes with it if you want to breed. If you want to own that particular bird and she's over 2 years old, then maybe.
