Here is another rare dog breed. The Silken Windhound is a graceful, small to medium-sized sighthound with a moderately long silky coat. This breed owes its unique appearance, elegant build, and the athleticism of a true coursing dog to champion Borzoi and Whippet ancestors. The Silken Windhound can be any combination of coat colors and markings, from spotted to solid, black and tan, saddled, brindle and sable, pure white and reds to deep black and blues, and a rainbow of colors in between.