Gouldian finches
The most colourful finch in the aviary, bred in red, black and orange-headed lines.
Gouldian genetics
Gouldian genetics is complex and wonderful: there are colours and mutations that make this bird unique. The ancestral black-headed Gouldian is thought to be the most relaxed and calm; the red-heads are more intense and restless because of their high testosterone, and the orange-heads are very rare, though today you can see them in aviaries all over the world. The rest, with different coloured breasts and backs, are the mutations: a whole universe of colours and shades. Blues, yellows, cinnamons, lutinos and satinettes (these last two have red eyes, though some cinnamons show a brown colouring, and in some cases red).
The birds in the photos
Three photos from the aviary, and each bird in them in the breeder’s own code: head, back and breast.

- RH-BB-WB Red head, blue back, white breast Mutation
- RH-GB-PB Red head, green back, purple breast Wild type
- RH-GB-WB Red head, green back, white breast Mutation
- OH-GB-WB Orange head, green back, white breast Mutation

- BH-GB-PB Black head, green back, purple breast Wild type
- OH-BB-WB Orange head, blue back, white breast Mutation
- OH-GB-PB Orange head, green back, purple breast Wild type
- OH-GB-WB Orange head, green back, white breast Mutation
- BH-BB-PB Black head, blue back, purple breast Dilute mutation

- RH-GB-PB Red head, green back, purple breast Wild type
- BH-BB-WB Black head, blue back, white breast Mutation
- BH-GB-PB Black head, green back, purple breast Wild type
- BH-BB-PB Black head, blue back, purple breast Mutation

Reading a Gouldian’s colours
Every Gouldian is three colours at once. Read them one zone at a time.
Head
Red, black or orange. Red is dominant over black and sex-linked; orange shows only on birds that would otherwise be red.
Breast
Purple is the wild colour. White is recessive, so a white-breasted chick needs the gene from both parents.
Back
Green is the wild colour. Blue birds lose their yellow pigment; yellow-backed birds soften the green.

Keeping Gouldians well
- Warmth
- Gouldians come from tropical northern Australia. Keep them in a warm room, away from draughts and cold windows.
- Calm
- They settle best with a steady routine and a quiet spot, especially when they are new to you.
- Food
- A good finch seed, soft food, fresh greens and clean water every day, plus grit and minerals.