Desert bighorn are stocky, heavy-bodied sheep similar in size to mule deer. Weights of mature rams range from 125 to 200 pounds (55 to 90 kg), while ewes are somewhat smaller. Due to their unique padded hooves, bighorn are able to climb the steep, rocky terrain of the desert mountains with speed and agility.   Charles did the originals in pencil for this series. They were printed in black and white on 11 X 14 art paper in a limited edition of 750