A lab notebook for budgerigar genetics.
Predict offspring colour and mutation outcomes with full Punnett-square accuracy. Browse a worldwide catalogue of budgie mutations. Free, open, no account required.
Breeding Calculator
Pair any cock and hen by mutation. Get exact probabilities of every visual and split combination, including sex-linked inheritance.
Mutation Index
Every documented budgie mutation — from wild-type Light Green to Anthracite, Saddleback and the legendary Rainbow combination.
AI Chick Notes
Each predicted offspring earns its own AI-written lab-notebook description — plumage, eye colour, show potential.
Genetics 101
Plain-language primer on dominance, the dark-factor series, ZW sex-linkage and split birds. For new breeders.
bb · Dd · ii is a cock carrying two blue alleles, heterozygous for dark factor, and homozygous for ino — phenotype: Albino Cobalt cock.