Budgerigar colour genetics

Melopsittacus undulatus at Chai-Negev, Revivim, Israel.

The science of budgerigar color genetics deals with the heredity of mutations which cause color variation in the feathers of the species known scientifically as Melopsittacus undulatus. Birds of this species are commonly known by the terms 'budgerigar', or informally just 'budgie'.