How do butterflies fly? Why are butterflies called butterflies? How do airplanes fly? If gravity pulls everything down, how do planes and rockets get up…
Why don't butterflies fly in straight lines? - BBC Science Focus
Photos: Woman Helps Injured Butterfly By Repairing Its Torn Wings
How do monarch butterflies migrate so far? Hint, it's in their genes.
Lepidoptera - Wikipedia
Can Butterflies Fly Upside Down? - Insects Authority
How Far Can Butterflies Fly?
Applied Sciences, Free Full-Text
Monarch butterflies can have an aggressive side – Beach Metro
Butterflies fly using efficient propulsive clap mechanism owing to flexible wings
Question Corner: How do butterflies fly with such small bodies and large wings? - The Hindu
Does a butterfly flap or flutter it's wings? - Quora