Red-rumped Parrot (Red-rumped Grass Parakeet) colour mutations
9 Red-rumped Parrot (Red-rumped Grass Parakeet) colour mutations, with the inheritance of each, how it looks, and whether a bird can be split for it.
| Mutation | Inheritance | Looks | Can be split? |
|---|---|---|---|
| Blue | Autosomal recessive | Blue; the male's rump is grey/white instead of red. | Yes – the male and female can be carriers (split) without it showing |
| Lutino | Sex-linked recessive | Yellow with red eyes. | Only males can be carriers; the female either shows it or does not carry it |
| Albino | Combination | White with red eyes. | Depends on the component mutations |
| Cinnamon | Sex-linked recessive | A lighter brown color. | Only males can be carriers; the female either shows it or does not carry it |
| Opaline | Sex-linked recessive | Color redistribution. | Only males can be carriers; the female either shows it or does not carry it |
| Pied | Autosomal recessive | Yellow patches. | Yes – the male and female can be carriers (split) without it showing |
| Pallid (lime; formerly "yellow") | Sex-linked recessive | The male is pale green with a yellow belly, red rump and grey-blue wings; the female is yellowish grey. | Only males can be carriers; the female either shows it or does not carry it |
| Fallow | Autosomal recessive | Diluted with red eyes. | Yes – the male and female can be carriers (split) without it showing |
| Dominant pied | Autosomal dominant | Clear patches on the head, back and tail and some white flight feathers. | No – if present it shows |
The Zajel app has a genetics calculator that shows the expected chick colours of any pair before you pair them.