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We're the only known beings proved to intentionally record and communicate knowledge directly across several generations, through items like books.
humanity is "special"
We're the only animals with opposable thumbs
"Many non-human animals also have some kind of opposable thumb or toe."
You are right, interesting. Still, in your source it clearly states that the only animals to have "fully" opposable thumbs are humans, which still makes us special.
Similar arguments would claim many species to be equally special.
Elephants are the only living species with such long tusks.
Kangaroos are the only animals fighting standing on their tail.
Platypus are the only mammals laying eggs.
So these are also animals that are special