What evolutionary advantage does the Uakari's specialized feeding niche provide regarding other primate species?

Answer

It grants them an ecological niche relatively free from direct, daily food competition

Uakaris thrive by eating seeds that most other New World primates cannot access, granting them an ecological niche that is relatively free from direct, daily food competition with co-inhabitants.

What evolutionary advantage does the Uakari's specialized feeding niche provide regarding other primate species?
behavioranimalPrimate