>"How is this possible? I cant even walk 10 miles without needing food. Where did the butterflies store their energy?" Air is a very different substance at tha

>"How is this possible? I cant even walk 10 miles without needing food. Where did the butterflies store their energy?" Air is a very different substance at that size scale. It is quite thick and viscous. It would be more accurate to say that the butterflies floated across the Atlantic. Locust hordes do the same, and can travel thousands of miles via the jet stream. They are not flapping their wings to maintain thrust the entire way.