> but we only developed intelligence once it seems. Depends on where your cutoff point of "intelligence" is, we've seen some form of intelligence evolve at lea

> but we only developed intelligence once it seems. Depends on where your cutoff point of "intelligence" is, we've seen some form of intelligence evolve at least 3 times in birds, mammals and cephalopods. If it's evolved independently 3 times on earth I'd say it's quite likely elsewhere.