[StarlingWings]

Jordy is beautiful but she's not opaline She is a sky blue greywing budgie! For some mutation basics, check out this sticky:

Genetics: What does it all mean?

 

[StarlingWings]

Greywing is a mutation recessive to wild-type (i.e it needs to be expressed on two chromosomes to be "visual" and not "split") but is co-dominant with clearwing to make what is called a "full-body greywing" mutation and is dominant over dilute. This means that a budgie with one copy of the dilute mutation and one of greywing will visually be identical to a greywing. It essentially causes a dilution of the body and wing markings, though not to the extent that dilute does