Natural wonder: Wing ‘clap’ solves mystery of butterfly flight – Yahoo News Australia

The fluttering flight patterns of butterflies have long inspired poets but baffled scientists.
Researchers have struggled to understand how these delicate creatures can fly with their large but inefficient wings.
Now, a new study shows that butterflies evolved an effective way of cupping and clapping their wings to generate thrust.
The scientists say that this ability helps them avoid dangerous predators.
Flying species have evolved various methods of evading death. Some have developed powerful…

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