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Hummingbirds are the tiniest birds in the world.
Hummingbirds are the only birds able to fly backwards.
A hummingbird's heart can Beat up to 22 times per second.
A hummingbird's wings beat about 70 times per second.
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Hummingbirds do not suck nectar through their bills, they use their tongues. They can lick 10-15 times per second while feeding.
