* Southern Flying Squirrel (Glaucomys volans): This is the most widespread flying squirrel in North America and is found throughout southeast Texas.
* Northern Flying Squirrel (Glaucomys sabrinus): This species has a more northern range, but it does occur in the higher elevations of east Texas.
Both species are nocturnal and arboreal, meaning they primarily live in trees and are active at night. They are known for their gliding ability, using a membrane of skin stretched between their forelegs and hind legs to soar from tree to tree.