Look on Craigslist for someone looking to rehome. A lot of people just don't realize the amount of care and interaction these guys need and if they can't rehomed them then they often dump them off at a shelter. There are a lot of glider specific rescues popping up more frequently because of this and you could also check the Humane Society in your area. Some shelters take in small animals and exotics or they may be able to point you in the right direction. It's nice to see that you are looking to adopt
! Keep checking "my pet needs a new home" section here too. Good luck !