The color is a dark grayish brown on the back, shading to a white 

 about the tail and on the under parts, in winter the whole coat is 

 lighter than in summer, but the older rams uniformly have less deep 

 coloring than the younger at all seasons. 



While not found in as high altitudes as the mountain goat, yet 

 the bighorn makes his home thousands of feet above the sea level. 

 There, among inaccessible cliffs, the young are born, usually but 

 one at a birth, although occasionally two and from the first are able 

 to follow the mother and to aid in their own protection. For sub- 

 sistence, the mountain sheep must depend upon the scanty grass 

 and herbage, but in some mysterious way they are always able to 

 remain sleek and well-fed, even during the winter snows, although 

 they seldom venture down into the valleys. Among their fastnesses 

 they travel in flocks, and whenever they stop to feed post a sentinel 

 at whose slightest warning of danger they are up and away, over 

 peaks, along ravines, down cliffs, by a maze of paths known only to 



