"With genetic test results back from U.C. Davis Laboratories of toe-hair samples from each side of his body, I am excited to share that this sheep
His black mouflon side is a genetically different individual from his black gray side. The lab ran the test twice just to be sure!
Oh but wait, THERE IS MORE!
The black mouflon side is male.
The black gray side is female!
What I can tell you beyond these test results, is that this beautiful creature successfully bred four solid patterned ewes this winter that produced a total of 9 lambs, of which all were either solid pattern or mouflon pattern; 5 rams and 4 ewes. "
Source: Grand Valley Icelandics