You mean human-like, not human-level. Intelligence cannot be identified, much less ranked, without sufficient shared perceptional, cultural, etc. background. Yo

You mean human-like, not human-level. Intelligence cannot be identified, much less ranked, without sufficient shared perceptional, cultural, etc. background. You can find two humans who are alien enough to each other that recognising shared intelligence would take a bit of effort; times a million that for a sufficiently non-human system like a whale, more still for an anthill, more still for an oak forest.