Continental Divide, then the No-Summer Moun- 

 tains. From its trail I judged that it, too, knew 

 where it was going. 



Had these bears gone to explore, to see the op- 

 portunities of a new region? Or had they returned 

 to old territory which they knew, perhaps to ob- 

 tain some particular kind of food, or just to have 

 an outing? If seeking new domains, it is possible 

 that they would explore a number of localities be- 

 fore selecting one. 



In a few localities bears migrate in the spring 

 and return home in the fall. In these migrations 

 the grizzly breaks his solitary custom and travels 

 in company. Most likely the bears happen to be on 

 the same route at the same time, and, like Pullman 

 passengers, travel together without speaking. 



I saw eight grizzly bears one November travel- 

 ing single file northward from Middle Park. Back- 

 tracking, I found that they had come from the 

 mountainous empire around the southern end of 

 this park. They crossed over into North Park in al- 

 most a straight line. Were they, I wondered, head- 

 ing for a new home, or was this an annual foraging 

 affair? The topography of the country traveled had 

 some bearing on the common route taken, but why 

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