of concealment near the carcass. Not finding an 

 enemy, he at last went to the carcass. 



When he had feasted for a few minutes he sud- 

 denly rose, snarled, and sniffed along my trail for a 

 few yards. He uttered a few growling threats. That 

 a grizzly cannot climb a tree is a fact in natural 

 history which gave me immense satisfaction. But 

 the bear returned to the carcass and finished his 

 feast. Finally, having raked grass and trash over 

 the remains, he doubled back on his trail and faded 

 into the twilight. 



Grizzlies often show courage and strategy by 

 hiding and lying in ambush for a pursuing hunter. 

 On one occasion I had been following a grizzly for 

 a number of days, trying to get his photograph at 

 short range. He knew I was in pursuit. Finally, he 

 doubled back on his trail a short distance and 

 crouched behind a log. His tracks as I followed 

 them passed along the other side of this log, and 

 continued plainly ahead of me across the top of a 

 snow-covered moraine. But as I approached the 

 log, the wind stirred the bear's fur and gave me 

 warning. 



A grizzly appears to understand that his tracks 

 reveal his movements. I was once following one 

 9 



