Figure 1.
Grooming received in relation to the receiver's dominance rank.
Higher ranks are indicated by higher numerical values.
Table 1.
Test of Seyfarth's model predictions: attraction to and competition for high-ranking females.
Figure 2.
Relation between female dominance rank and ability to groom in relation to the recipient's rank (i.e. correlation coefficients obtained for each female by correlating her grooming with the recipient's rank.)
Higher ranks are indicated by higher numerical values.
Figure 3.
Grooming given in relation to the groomer's dominance rank.
Higher ranks are indicated by higher numerical values.