A Packet of Energy: Hummingbirds may be small, but they pack a lot energy in those tiny bodies. They come in a variety of dazzling colors, and due to the structure of their wings, they are the only birds with the ability to fly backward and upside down. They beat their wings rapidly; smaller species can flap their wings up to 80 times a second.
Hummingbird
Hummingbird
Hummingbird
Hummingbird
Hummingbird
Hummingbird
Hummingbird
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