The Jacob sheep is a particularly striking breed. It usually boasts four horns, two large and curving over the head and two smaller ones on either side of the face. It’s a piebald, or spotted, sheep, ...

I have elsewhere assigned reasons for the belief that the occasional appearance of dark-coloured or piebald sheep is due to reversion to the primeval colouring of the species. This tendency to ...

Jacob sheep typically have four horns and are piebald or spotted. Mirror photo by Holly Claycomb A Jacob sheep allows a horse to scratch its head on one of its horns Sunday in a field along Dibert ...

SYDNEY: Black sheep may exist only in nursery rhymes if Australian scientists succeed in coming up with a way of detecting which animals carry the gene that results in black or piebald lambs.