No, hummingbirds do not migrate on the backs of geese. That is one of many myths about hummingbirds. Unlike geese, hummingbirds fly very low during migration. They do have a very interesting...
They are very small birds known for their ability to hover over a food source by flapping their wings 12-90 times per second. They drink the flower nectar and are the only bird that can fly backwards.
A tiny bird with muscles that can make it fly in any direction and stay in one spot while drinking nectar. They are very fast and feed off of bugs also.