This mod adds a bunch of animals, which you can ride or fly around on.
Bikes
Ender Dragon Bike
Chinese Dragon Bike
Iron Golem
Reindeer Bike
SnowGolem Bike
Notch Bike
Cow Bike
Ender Bike
Pig Bike
Sheep Bike
Spider Bike
Chicken Bike
Squid Bike
Wolf Bike
Creeper Bike
Pony Bike
Ghast Bike
Dino Bike
Bunny Bike
Chocobo Bike
Silverfish Bike
Bat Bike
Slime Bike
Ocelot Bike