Two Truths, One Lie

Which fascinating fact is actually a fib?

1. With a lofty launch site and a strong tailwind, a flying squirrel can glide nearly 200 feet — about as far as five school buses parked end-to-end.
2. Under ultraviolet light — which humans can’t see but many other animals can — a flying squirrel’s belly fur glows as pink as radioactive cotton candy.
3. Flying squirrels pack on fat to insulate themselves against winter’s chill. Males nearly double their weight, which makes them too heavy to glide.