Once you hear it, the sound becomes an iconic multifaceted auditory image. And that sound would be the whirring hum of hummingbird wings. Hummingbirds comprise one of two families in the bird order ...
Chrisang Photo on MSN
How ruby throated hummingbirds beat their wings so fast
Ruby throated hummingbirds can beat their wings more than 50 times per second, creating the distinctive humming sound behind their name.#RubyThroatedHummingbird #Hummingbird #BirdFacts ...
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