"Apes are a branch of Old World tailless anthropoid primates native to Africa and Southeast Asia. They are the sister group of Old World monkeys, together forming the catarrhine clade.' -
What do you call a group of apes?
There are several answers.
One of the collective nouns for a group of apes is a "Shrewdness".
Below is an example sentence.
After foraging all morning, the shrewdness of apes rested for the rest of the day.