How could flying squirrel adapt further to allow it to be more successful?

The structural adaptations of the flying squirrel has developed a good sense of balance, sail-like fur skin membrane that extends from the wrists to ankles, delicate wrist bones that control this membrane, allowing the squirrel to steer, and a fluffy tail that balances out and stabilizes the flight.

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.