Eli5 : why are bigger birds generally faster than smaller birds?

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The way I think about it, smaller birds have less weight and less wind resistance. Shouldn’t that mean they would be faster?

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Anonymous 0 Comments

Is that true? Hummingbirds are crazy fast and peregrine falcons are fairly small birds

Like, what do you mean as fast? Average travel speed, diving speed, long vs short distance travel?

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