Scientists have long wondered how butterflies fly. Compared with other flying animals, the creatures have unusually short, broad and large wings relative to their body size. Now, experts have found that the insects "clap" their wings together, and their wings are perfectly evolved for better propulsion. "Butterflies look different from many other flying animals, compared to birds and bats," Per Henningsson, associate professor in biology at Lund University, told CNN. "They have a very extreme wing shape — very large, short but very broad wings compared to their little body.

Source: Daily Sun January 23, 2021 13:30 UTC