A study compiled data from more than 76,000 butterfly surveys across the continental U.S. The declines seen in the last 20 years alarmed researchers.

But are butterflies pollinators and are they valuable to nature in other ways ... are regions of low ultraviolet reflectance near the center. It points in the direction of the nectar!

They are called morpho, vulcan, death's-head sphinx, little peacock, devil's robin... With names like these, butterflies offer nature its team of superheroes. Some are capable of flapping their wings ...