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Yellow Faced Blue. Two Yellow Faced ‘Colour Mutations’ One we shall call ‘ Australian ’ The other we shall call ‘European’. ‘Australian’ Single Factor. ‘Australian’ Single Factor. Produced by breeding: Double Factor YLF to Normal – 100% Single Factor YLF to Single Factor YLF – 50%

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yellow faced blue
Yellow Faced Blue
  • Two Yellow Faced ‘Colour Mutations’
    • One we shall call ‘Australian’
    • The other we shall call ‘European’
australian single factor1
‘Australian’ Single Factor
  • Produced by breeding:
    • Double Factor YLF to Normal – 100%
    • Single Factor YLF to Single Factor YLF – 50%
    • Single Factor YLF to Double Factor YLF – 50%
    • Single Factor YLF to Normal - 50%
  • Body Colour
    • Greenish to bluish – if there are such words
  • Not for exhibition
    • Useful for breeding only
australian double factor1
‘Australian’ Double Factor
  • Produced by breeding:
    • Double Factor YLF to Single Factor YLF – 50%
    • Single Factor YLF to Single Factor YLF – 25%
  • Body Colour
    • Blue – depth depends if Sky, Cobalt, Mauve or Violet.
  • Face and Mask
    • Buttercup Yellow or Golden
  • For exhibition
european single factor2
‘European’ Single Factor
  • Produced by breeding:
    • Double Factor YLF to Normal – 100%
    • Single Factor YLF to Single Factor YLF – 50%
    • Single Factor YLF to Double Factor YLF– 50%
    • Single Factor YLF to Normal - 50%
  • Body Colour
    • Blue – depth depends if Sky, Cobalt, Mauve or Violet
  • Face and Mask
    • Cream
  • For exhibition
european double factor1
‘European’ Double Factor
  • Produced by breeding:
    • Double Factor YLF to Single Factor YLF – 50%
    • Single Factor YLF to Single Factor YLF – 25%
  • Body Colour
    • Blue – depth depends on Sky, Cobalt, Mauve or Violet
  • Face and Mask
    • White
  • For exhibition as a Normal
basis for exhibiting
Basis for exhibiting
  • Colour mutations
  • (Colour modifying mutants)
  • Variety mutations
colour mutations are
Colour mutations are…..
  • Blue (normal)
  • ‘European’ Yellow Faced Blue (normal)
  • Aust. Yellow Face Blue (normal)
  • All are allelomorphs mutated from the normal wildtypegreen
  • Represent the 4 budgie colours
variety mutations are
Variety mutations are……
  • Blackeyedself – Dilute included
  • Redeyedself – Albino or Lutino
  • Clearwing
  • Greywing
  • Cinnamon
  • Opaline
  • Fallow
  • Etc etc
where to exhibit
Where to exhibit?

Yellow Faced near the top of the exhibition ‘tree’ with the other two Colour mutations

  • Green
  • Blue
  • Yellowface
  • Blackeyed self
  • Redeyed self
  • Clearwing
  • Greywing
  • etc etc

Currently Yellow Faced are misplaced among the Variety mutations in most Countries

what this means
What this means…….
  • Puts Yellow Face into its rightful place based on a solid genetic reason
  • Green, Blue and Yellow Face classes would contain only normals
  • Every Variety mutation can then be shown in all three colours rather than just the two colours
    • Green, Blue andYellow Faced Blue
  • Puts an additional Colour mutation into each class below Yellow Face, creating much more interest in a declining hobby
an example or two
An example or two…….
  • An Albino is variety mutation and Yellow Face is a colour mutation thus should we not be exhibiting the variety first
  • A Fallow (Blue series) is a variety mutation and as explained above, Yellow Face is a colour mutation thus I would conclude that we should be exhibiting the variety (Fallow) and if Yellow Face then so be it.
conclusion
Conclusion…….
  • ‘Australian’ Yellow Faced Blue can only be shown in the Double Factor form
  • ‘European’ Yellow Faced Blue can only be shown as a Yellow Face in the Single Factor form
  • ‘European’ Yellow Faced Blue in Double Factor form visually is ‘Normal’ and can be shown as a Normal