Which Budgerigar breeds come in Undulated?

Club breed standards describe Undulated for the Budgerigar.

Budgerigar pattern

Undulated

Budgerigar pattern of the normal (wild-type) bird: fine dark wavy bars on the back of the head, neck and wings, each edged with the mask colour, and throat spots on a clear mask (WBO 'Normal'): black in normals, cinnamon brown in cinnamons and lacewings, grey in greywings.

18 Budgerigar breeds list Undulated. It is in a club standard for 18 breeds.

Breeds whose standards accept Undulated

Breed	WBO	ABS	COM	BS UK
Budgerigar	Standard (“Skyblue (Light Blue); Cobalt (Dark Blue); Light Green; Dark Green; Olive Green; Grey Green; Mauve; Violet; Grey; Cinnamon”)	Standard (“Sky; Cobalt; Light Green; Dark Green; Olive Green; Grey Green; Mauve; Violet; Grey; Light Green Cinnamon; Yellow Face; Red Eye Lacewing; Fallow; Slate”)	Standard (“Normal Skyblue; Cobalt; Normal Light green; Dark green; Olive; Grey green; Mauve; Violet; Grey; Cinnamon; All the Yellowface Blue series Normals”)	Standard (“SKYBLUE; COBALT; LIGHT GREEN; DARK GREEN; OLIVE GREEN; GREY GREEN; MAUVE; VIOLET; GREY”)
BudgerigarSky Blue	Standard (“Skyblue (Light Blue)”)	Standard (“Sky”)	Standard (“Normal Skyblue”)	Standard (“SKYBLUE”)
BudgerigarCobalt	Standard (“Cobalt (Dark Blue)”)	Standard (“Cobalt”)	Standard (“Cobalt”)	Standard (“COBALT”)
BudgerigarGreen	Standard (“Light Green”)	Standard (“Light Green”)	Standard (“Normal Light green”)	Standard (“LIGHT GREEN”)
BudgerigarDark Green	Standard (“Dark Green”)	Standard (“Dark Green”)	Standard (“Dark green”)	Standard (“DARK GREEN”)
BudgerigarOlive	Standard (“Olive Green”)	Standard (“Olive Green”)	Standard (“Olive”)	Standard (“OLIVE GREEN”)
BudgerigarGrey Green	Standard (“Grey Green”)	Standard (“Grey Green”)	Standard (“Grey green”)	Standard (“GREY GREEN”)
BudgerigarMauve	Standard (“Mauve”)	Standard (“Mauve”)	Standard (“Mauve”)	Standard (“MAUVE”)
BudgerigarViolet	Standard (“Violet”)	Standard (“Violet”)	Standard (“Violet”)	Standard (“VIOLET”)
BudgerigarGrey	Standard (“Grey”)	Standard (“Grey”)	Standard (“Grey”)	Standard (“GREY”)
BudgerigarCinnamon	Standard (“Cinnamon”)	Standard (“Light Green Cinnamon”)	Standard (“Cinnamon”)	Standard (“CINNAMON - Light, Dark, Olive, Grey Green; CINNAMON - Skyblue, Cobalt, Mauve, Violet & Grey”)
BudgerigarYellowface	Standard (“Yellowface (Mutant 1); Yellowface (Mutant 2) Double Factor & Goldenface Double Factor”)	Standard (“Yellow Face”)	Standard (“All the Yellowface Blue series Normals”)	Standard (“YELLOWFACE - Mutant 1, Mutant 2 and GOLDENFACE - all varieties Blue Series”)
BudgerigarGreywing	Standard (“Greywing”)	Standard (“Greywing”)	Standard (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	Standard (“GREYWING”)
BudgerigarLacewing	Standard (“Lacewing Yellow; Lacewing White”)	Standard (“Red Eye Lacewing”)	Standard (“Lacewing Yellow; Lacewing White”)	Standard (“LACEWING YELLOW; LACEWING WHITE”)
BudgerigarFallow	Standard (“Fallow”)	Standard (“Fallow”)	Standard (“All English Fallows green series; All English Fallows blue series; All German Fallows green series; All German Fallows blue series”)	Standard (“FALLOW”)
BudgerigarClearbody	Standard (“Sex-linked Clearbody; Dominant Clearbody”)	Standard (“Easley LacedClearbody; Texas Laced Clearbody”)	Standard (“All Texas Clearbodies green series; All Texas Clearbodies blue series; All Easley Clearbodies green series; All Easley Clearbodies blue series”)	Standard (“TEXAS CLEARBODY; EASLEY CLEARBODY”)
BudgerigarSlate	Standard (“Slate (Blue)”)	Standard (“Slate”)	Standard (“Slates”)	Standard (“SLATE (BLUE)”)
BudgerigarAnthracite	Standard (“Anthracite (Blue Series)”)	Standard (“Anthracite”)	Standard (“Anthracite”)	No ruling

See all Budgerigar colors, patterns and markings