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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 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

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  1. Yellow Faced Blue • Two Yellow Faced ‘Colour Mutations’ • One we shall call ‘Australian’ • The other we shall call ‘European’

  2. ‘Australian’ Single Factor

  3. ‘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

  4. ‘Australian’ Double Factor

  5. ‘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

  6. ‘European’ Single Factor

  7. ‘European’ Single Factor

  8. ‘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

  9. ‘European’ Double Factor

  10. ‘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

  11. Basis for exhibiting • Colour mutations • (Colour modifying mutants) • Variety mutations

  12. 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

  13. Colour modifier mutations are… • Grey • Violet • Dark factor

  14. Variety mutations are…… • Blackeyedself – Dilute included • Redeyedself – Albino or Lutino • Clearwing • Greywing • Cinnamon • Opaline • Fallow • Etc etc

  15. 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

  16. 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

  17. 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.

  18. 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

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