Breed Characteristics. A small chicken, even a full size male Silkie Chicken weighs only 4 lbs. It is soft and fluffy and unable to fly. The Silkie Chicken has black skin and comes in a wide variety of feather colors, including black, white, blue, gray, partridge, and buff.Some Silkie Chickens are bearded and others are not.he Silkie Chicken is unlike any other and will add an eclectic flair to your backyard chicken coop. Known for its silky, fluffy feathers, the Silkie Chicken comes in full-sized and bantam varieties and is among the most docile of chicken breeds.