Fig. 3.

Three-way interaction between mother’s condition, focal age and initiation of affiliation. When mothers were outside of 2.0m range of the focal (3a) probability to affiliate rose with focal age and was higher when initiated by focals (up to two years of age) then by males. In contrast it steadily decreased and was lower for focal than male initiated interactions, when mothers were within 2.0m range of the focal (Figure 3b).