ELi5: Why do small animals (birds, squirrels, etc.) have such “faster reflexes” than humans?

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I understand they are smaller and can move faster than humans, but why can they wait so long before moving?

For instance, when you’re driving and a bird is able to wait until the absolutely last second before flying away and avoiding getting hit. What allows animals to have such better reflexes?

In: Biology

7 Answers

Anonymous 0 Comments

the smaller an animal the “slower” time feels for them relative to humans. A Giant moving his legs would also seem slow if observed by a human but for the giant itself it feels normal. If u try to catch a fly imagine that for the fly’s perception a very slow arm is approaching them. Ofcourse there are no giants and the fly might benefit also from other ressources to avoid getting smushed.

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