The Humming Bird Drinks in a Flower

i ask, how can scientists sort of have assumed that the method of whae they were drinking was sort of like a like a straw? Basinin are we not check and stuff out in science any more. I read that when a humming bird drinks in a flower, its tongue goes in and out of its mouth 15 or 20 times a second. Credibloi, so is that what that punch movement will be you know? Ais the band, they always stick their tongue out and go in lods of tie. Sorry to aristotle stands.