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Published online 5 April 2005 | Nature | doi:10.1038/news050404-4
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Radar reveals purpose in butterfly flights
Miniature transponders show pattern among the erratic fluttering.
Tiny radar devices have revealed patterns in the meandering flights of butterflies: the looping dives are thought to help them to search for food or a home. What's more, the radar technology could help conservationists to find safe havens for the insects amid fragmented agricultural landscapes.
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