Grass Parrots

scarlet-chested parrakeet mutations

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primary mutations

mutations definitions

usual name

 sex-linked mutations:

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Cinnamon: prevents the total oxydation of brown pigment into black pigment without reduction of the amount of pigment. The eye is red and quickly darkens with age.

cinnamon

Lutino:  inability to produce any melanin pigment, blue parts turn into white, skin, nails and beak are pink, the eye is red.   

lutino

Pallid:  less grey/black pigment is produced than in the wild type, giving a paler look with dark eye and more clear beak and nails. 

pallid (isabel)

autosomal recessive mutations:

Blue: removes all the psittacin pigments (yellow, red etc.) giving blue and white areas

blue

parblue / aqua: reduced yellow family pigments (psittacin pigments) leaving a greenish blue and orangeyellow

aqua (seagreen) 

parblue / turquoise : the psittacin pigments are more reduced than in the aqua, but still remaining in small quantity, leaving some green tinge and pale cream yelllow

turquoise

Fallow: changes all black pigments into brown shades, the eye is dark red, skin and nails are pale. The general  colour looks lighter.

fallow

 Violet: The Violet factor in Blue and Parblue is avalaible now in single and double factor .

df Violet Blue

dominant mutations:

Grey: prevents all structural colours, producing a grey effect, there is no difference between the single and double factors. When combined with green it gives the "greygreen" and with blue it will give the "grey".  

greygreen

Khaki: green is darker and blue is paler which makes the difference with a double dark factor green.
Only in Australia, not in Europe.

khaki

Pied: stops the deposition of melanin pigments within feathers in an irregular pattern  .

pied

mutation + selection:

red-fronted: spreading of the red pigment , dominant to normal but depending on  selection . 

red fronted

to see the combinations of mutations

click on the picture above