Hummingbirds

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Issue:

English

 

Written by:

Mattie M

 

Date added:

December 14, 2013

 

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Grade:

A

 

No of pages / words:

3 / 736

 

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9268 times

 

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Essay content:

"Their wings flaps 15-80 times per second, depending on the type of species they are. The Giant Hummingbird's wings beat 8-10 beats per second, the wings of medium size hummingbirds beat 20-25 beats per second and the smallest beat 70 beats per second."< http://en.wikipedia.org/wiki/Hummingbirds>. Bernoulli's principle explains why this helps the hummingbird has the ability to fly deliberately backwards or vertically, and to maintain position while drinking from flower blossoms...
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Bernoulli's principle explains why this helps the hummingbird has the ability to fly deliberately backwards or vertically, and to maintain position while drinking from flower blossoms. "They can fly more than five hundred miles without pausing to rest." Doyle, Brian. "Joyas Voladoras." The Best American Essay...
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