>>115332325They possess intergalactic on an individual level, they can just travel the stars looking for a mate and using like 25% of their mates genome. Then when they get old enough to fly, their instincts kick in salmon styling and they fly to their home planet.
If you need a reason for why they do this all that's need is the idea that eons ago they're race inhabited their planet with another race that they did this with till they eventually out bread, but thanks to their flight ability which evolved interdependent they were able to travel to other planets in their solar system which they also eventually out bread there but had develop their flight to such a degree they were able to travel the universe no problem at that point.
