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Butterfly wing clap explains mystery of flight

butterfly on a leaf. The fluttery flight of butterflies has so far been somewhat of a mystery to researchers, given their unusually large and broad wings relative to their body size. Now researchers at Lund University in Sweden have studied the aerodynamics of butterflies in a wind tunnel. The results suggest that butterflies use a highly effective clap technique, therefore making use of their unique wings. This helps them rapidly take off when escaping predators.

The unusual bird migration pattern lacking an explanation

A common ringed plover. Male common ringed plovers fly 800 kilometres further than the females when they fly to wintering sites in southern Europe. According to researchers at Lund University, it is very unusual and they are unable to explain why the common ringed plover species in particular differs from nearly all other species.

Centre for Animal Movement Research
Evolutionary Ecology, Department of Biology
Ecology building S-223 62 Lund Sweden

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