131
Any sci-fi with aliens where humans are not the less advanced race?
(lemmings.world)
Book reader community.
My understanding is that the 'humans' of The Culture are a genetic melange of several different, but similar species who decided to merge with one another. They essentially chose the best genetic traits of each species and ran with those. It should be noted that Earth is not a part of The Culture, if it matters to OP that the humans in the story are Earthlings or not.