Sounds like a breed called Speckle Park.
> Actually there have been a few
> cattle born of Black Angus sire
> and dam that are white with small
> black spots. This is very rare and
> they cannot be registered, but my
> husband has seen them and talked
> with one breeder who tried to
> create a herd of them. I will see
> if I can find the name and some
> picutres, and give a link.