It was bred to retain the blue-egg gene but eliminate the lethal alleles of the parent breed.

[6]: 37 [7]: 11  It was bred to retain the unusual blue-egg gene of the Araucana, but eliminate the tufted and rumpless lethal alleles of the parent breed.

In some other countries, including Australia and the United Kingdom, both the tailed and rumpless variants of the Araucana are considered a single breed.

[7]: 11  It shows many similarities to the Araucana, including the pea comb and the blue egg gene.

It is tailed, muffed and bearded, whereas the Araucana in the United States has ear tufts and is rumpless.