Explore underground tunnels just inches wide and learn about the voracious creatures who made them.
After a surge in the vole population, farmers and scientist debate whether the underground critters are harmful or helpful. Voles create elaborate underground tunnel systems that can be destructive to fields and crops. However, using probe cameras, scientists are learning new information about voles and vole holes that suggests voles might play a vital role in nature after all. (Video first broadcast 2005)
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