The porgs were recently introduced by some images and video released ahead of Star Wars: The Last Jedi.
There’s a lot we don’t know about the creatures beyond the fact that they’re apparently native to the planet where Luke Skywalker has been hiding out throughout the events of Star Wars: The Force Awakens.
This means they’ll apparently be leaving the planet and who knows what will happen when they get someplace new.
It seems the plan is for them to be more than simply background wildlife, as one image shows a single porg in the cockpit of the Millennium Falcon with Chewbacca.