How do birds last so long flapping their wings non-stop?
In: Biology
Flying for birds is more exhausting than jumping/walking.
Birds do nothing else than flying most of the time, so their muscles are super strong for being that tiny.
An athlete can run for well over 4 hours non stop.
Now look with this thought to birds, they are just very athletic and use their energy.
They also eat meat all day long to get that much energy. A protein heavy diet with flying everyday prepares them for their long flights.
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