Rex has short, tightly curled fur. The cat’s soft, silky coat has no visible guard hairs. The Rex is a slender, small- to medium-sized animal. It has an arched back, tapering tail, and thin legs. Its small , narrow head features a curved nose and large ears. Rex cats vary in the colour of their – coat and eyes. The breed originated in great Britain about 1950.
Russian blue has short, extremely thick, bluish-grey fur that is unlike the fur of any other cat. The plush coat seems to glitter because the guard hairs are silver-tipped. The Russian blue has a slender body and a long tail. It moves gracefully on long legs. The cat’s wedgeshaped head features large ears, a flat forehead, and round green eyes.the origin of this breed is unclear. Some people believe sailors took the animal from Russia to England and the Scandinavian countries. There is also a white Russian and Black Russian.