To catch a dragonfly

Dragonflies are giving researchers new ways to think about relationships among animals.

By Emily Sohn, 00:00 AM December 4, 2006

Try to catch a dragonfly. I dare you.


"They're so quick and so smart, it sometimes takes us hours with five people to catch one," says Martin Wikelski. He's an ecologist at Princeton University in New Jersey.














A dragonfly in flight.


A dragonfly in flight.

The pencil-thin, four-winged insects hover and dart, changing directions in an instant.


"They're amazing," Wikelski says. "They're like little helicopters."


Despite the challenges, scientists chase dragonflies to better understand their ...

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