About Hummingbird Wings
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Did you notice how small and delicate the hummingbird's feathers are? Hummingbird flight feathers are so thin that you can nearly see through them. But they are still tough enough to flap at least 4 MILLION times without a break when a migrating hummer flies over the Gulf of Mexico.
Their “arms” are very short, but they have ten long, powerful primary feathers. Their shoulder joints are so flexible that they can move their wings in nearly any direction. These adaptations help make hummers such impressive fliers. They can fly sideways, backwards, upside down (when fighting), and even stay put in mid-air!