The smallest bird in the world is the bee hummingbird (Mellisuga helenae). The 5-cm beauty is found in Cuba, where they call it “zunzuncito”. Other amazing facts:

+ Weighs less than 2 grams
+ Has the second fastest heart rate of all animals (1,260 BPM)
+ Has the highest body temperature of all birds (40 degrees Celsius)
+ Flaps its wing up to 200 times per second

humming bird

humming bird

Humming bird

humming bird

humming bird

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