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The Hummingbird Heart Rate Is Unbelievably Fast
Hummingbirds are speedy little creatures. Ruby-throated hummingbirds flap their wings at a blurry (and tough to photograph!) rate of 50 times per second, and they can achieve a velocity of 90 feet per ...
Country Living on MSN
Where Do Hummingbirds Go When It Gets Cold?
In fact, if you live somewhere that sees hummers all winter, such as in the South or along the Gulf coast for migrating birds ...
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