GROUP ORGANIZATION 



187 



lost ten with RY. RY in turn was practically even 

 (eight to seven) with BR and slightly ahead in its 

 relations with GW and RW. I do not intend to sug- 



GW 



12:27 



mv 



GW 



>BW 



8:14 



RfV 



^BW 



RY<r 



■BIV 



13 UO 



A. 



Fig. 41. In flocks of pigeons the organization is one 

 of peck-dominance rather than of peck-right. The 

 pigeons highest in the social order are omitted from 

 these diagrams. A, the pre-mating flock; B, the entire 

 period of observation; C, the post-mating flock. 



gest that most of these differences are important; in 

 fact that is the point. With flocks which are organ- 

 ized as are these pigeons, it frequently becomes diffi- 

 cult to decide which bird stands higher in the social 

 order. 



It is important to note that in none of these cases, 



