Why is allogrooming rare in wild Uakaris despite their highly social nature?

Answer

Social bonds are maintained through association and signals rather than close-contact tactile reassurance

The rarity of allogrooming reinforces the idea that their social bonds are maintained primarily through association, visual signals, and vocalizations over distance, rather than through constant, close-contact tactile reassurance.

Why is allogrooming rare in wild Uakaris despite their highly social nature?
behavioranimalPrimate