Which Тигрица breeds come in Сивокрила?

Club breed standards describe Сивокрила for the Папагајче (тигрица).

Тигрица pattern

Сивокрила

Budgie mutation: gray wing markings instead of black, the body color diluted by about half.

2 Тигрица breeds list Сивокрила. It is in a club standard for 2 breeds.

Breed	WBO	ABS	COM	BS UK
Папагајче (тигрица)	По стандарду (“Greywing”)	По стандарду (“Greywing”)	По стандарду (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	По стандарду (“GREYWING”)
Папагајче (тигрица)Сивокрили	По стандарду (“Greywing”)	По стандарду (“Greywing”)	По стандарду (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	По стандарду (“GREYWING”)