Thomas Shey
Legend
Never played either system.
I do know that Traveler's character creation system is...unique. As in, "Hey, I just died in character creation" unique.
Runequest is the one that anthropomorphic ducks as a player race, correct? Hard pass.
It does, though that's a pretty minor element of the setting. You could go a long time playing RQ without seeing one of those. It was (originally) very setting specific, though.