1. The Social Use of Space 



70 1 r 



Rodius from center of home range 



Fig. 1. Observed (histogram) and theoretical distribution of 348 recapture radii 

 (Z) of 25 male harvest mice from the center of their home range. Z here represents a 

 normalized measure of the bivariate normal home range sigma. 



.6 1.2 1.8 2.4 3.0 



Radius from center of home ronge in units of cr 



3.6 



Fig. 2. Cross section of the density function of home range in terms of area. Rotation 

 of this curve about its axis reveals the mountain-shaped topography of home range. 



