Size: Image, 17 X 26, ½ inches. Paper: Blue Grey, approx, 200 gsm. Colors: Soft & Hard Pastel & color Pencils, using mainly White, Grey, Black, Yellow Ochre & Burnt sienna, blue green for the eyes & dash of red violet between the skies Snow leopards have long thick fur, and their base color varies from smoky gray to yellowish tan, with whitish neck & chest parts. They have dark gray to black open rosettes on their body with small spots of the same color on their heads and larger spots on their legs and tail. Unusually among cats, their eyes are pale green or gray in color. One of their main features, containing unusual large nasal cavities that help the animal to breathe the thin, cold air of their mountainous environment. Unlike other cats, Snow leopards cannot roar, their vocalizations include hisses, chuffing, mews, growls, and wailing. Snow leopards' tails are long and flexible, helping them to maintain their balance, which is very important in the rocky terrain they inhabit.