Due color
Recessiv opal
Pigeon color: the recessive opal factor, a gene of its own that also pales the wing shield and its bars or checks to an opalescent light color; the American Show Racer standard shows it apart from dominant opal, the Giant Homer standard among its rare colors.
5 Due breeds list Recessiv opal. It is in a club standard for 2 breeds.
Breeds whose standards accept Recessiv opal
| Breed | NPA |
|---|---|
| Orientalsk roller | Standard (“Opal”) |
| Show Racer | Standard (“Recessive Opal”) |
| Brevdue | Alternativ (“AOC (brown, khaki, opal, indigo, etc.)”) |
| Gammeltysk ugle | Alternativ (“AOC: Any colors not listed above, i.e. Bar less, Opal, Andalusian, etc.”) |
| Giant Homer | Alternativ (“RARE”) |