Everything they do is organized. Very well organized. That implies a leader - and, furthermore, a leader with superior intelligence. Or perhaps, in fact, human intelligence.
Malakai Youmans about the evolved apes.
Evolved Apes is the term used to refer to apes whose intelligence has been increased by the Simian Flu, an event the apes refer to as The Awakening. It is commonly used in the Planet of the Apes films produced by Chernin Entertainment.