Quote Originally Posted by SemaviLady
Mocha's muzzle is rather short, so I don't think Sheltie and Aussie mix would do it. There would also be more white given the averages in those breeds, and the genetics of white markings.
That shorter muzzle is another reason why I suggested the Tibetan Spaniel - Mocha's muzzle is longer than a Tibbie's, but not as long as many other breeds.

Ah, the glory of mixed breeds. You could guess forever and still not know!