Blogs » Glen Loyd Videos

Dragonfly swarms on the Rock River in Janesville

By GLEN LOYD Friday, September 7, 2012 - 2:49 p.m.

You learn something new about nature all the time when you live by a river. This time it's about dragonfly behavior. Some of the dragonflies you'll see in this video have numbers on their wings. They were part of a Harvard science project to observe how dragonflies capture prey. The dragonfly animation in the video was made with parts left over from a dragonfly swarm like the current ones around Janesville. (Remember the Rock River clean up Saturday Sept 8. Go to Rockriversweep.org)

This is a dragonfly swarm in Arizona that someone put on You Tube

Glen Loyd lives in Madison and spends many days with family in Rock County. He is a former public information officer for Wisconsin Consumer Protection, publishes a weekly consumer protection blog and is a regular guest on radio consumer protection programs. Glen is a community blogger and is not a part of The Gazette staff. His opinion is not necessarily that of the The Gazette staff or management.

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