Blue sable (grey sable/slate sable) and white Border Collie (diluted sable dog). Blue = diluted black. #bordercollie #… | White border collie, Border collie, Collie
Border Collie sable azul e branco (cão sable diluído). Azul = preto diluído. | Border collie, Collie, Shepherd dog
Facts you need to know about the Border Collie colors and markings - BorderCollieHealth