Coat and Color: Double coated with a wiry outer; wide selection of colors (no white markings); most commonly encountered shades are black, cream and gray, frequently with a brindle blend You'll find 56 species of rats, but just one is stored a pet: the domesticated brown rat (Rattus norvegicus), also https://ituneplay.com/view/post/Can-Dogs-Be-Autistic-/259