Hummingbirds are the smallest birds in the world. Miniature hummingbird clap their wings 90 times per second, their heart beats 1,200 times per minute, and they are the only ones who can fly backwards.
World, Photography, Art, Design
Hummingbirds are the smallest birds in the world. Miniature hummingbird clap their wings 90 times per second, their heart beats 1,200 times per minute, and they are the only ones who can fly backwards.
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