Page 217 - The Miracle of Migration in Animals
P. 217
HARUN YAHYA
Hummingbirds beat their wings 20 to
80 times per second. That they do this
without harm is an indication of their
bodies' perfect structure.
Even though hummingbirds flap their
wings millions of times during migra-
tion, their muscles do not sustain the
slightest damage.
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