People from space grabbed them and brought them with them. Aliens visited the earth and thought for a while, "Well there's tons of weak primitive beings down there."
other: Dude check out the dinosaurs, they're like super strong woah
me: yeah, we could pick out humans but we can already nuke things
other: we could totally use these against the wookies.
me: let's do it.
I know what happened to the Dinosaurs
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