So he was probably an extraterrestrial?You don't ask yourself: "hmmm, I wonder how Noah got polar bears from the arctic and back?" That's odd.
Perhaps God used wormholes or teleportation... combined with the ability to compel animals.
"In the beginning, God created the Heavens and the Earth".
If the Abrahamic God exists at all in a manner consistent with biblical theology than yes, that being(s) would be extraterrestrial...