Smaller monkeys are diurnal and eat leaves {folivore}.
Monkeys can be larger, be active day and night, and eat fruit {frugivore}|. Primate frugivores have larger brains with more neocortex than same-size primate folivores. Fruit supply and type always varies, because different plants bear fruit at different times and locations in tropical forest. Frugivores require better visual perception and memory.
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Date Modified: 2022.0225