One "distinction" you'll still see is tool use. Some people know that chimps use tools, but this doesn't seem to matter. However, it isn't just the "higher" primates with this ability; crows have been shown to have this amazing ability:
Obviously, this is morally irrelevant,* but still quite interesting!
*The question is not, Can they reason? nor, Can they talk? but, Can they suffer?
—Jeremy Bentham
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