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This is CBS I in the World.

I'm John Batchett with Terry Anderson of the Hoover Institution and Professor Nick Parker

of the Hoover Institution.

Also Nick is at the University of Wisconsin-Madison where he is in the Department of Agriculture

and Applied Economics and with his colleagues Jennifer Rainer and Corbett Granger.

Nick has published Wolves Make Roadways Safer.

How the presumption I had when I started reading this article was, oh well they hunt.

They're like deer hunters but that's not the full story.

Professor what is the landscape of fear you refer to in your paper?

Landscape of fear is an idea and ecology that once you have an apex predator in the environment

in the landscape it changes the behavior of all other animals that are subservient to

that predator and so their behavior could change, their travel routes could change.

The time of day in which they move around could be affected all to avoid predation.

So we wondered how that idea might pertain to the big problem of deer damages and places

...