How Wolves Change Rivers

loupThe link that follows is to a truly incredible, four minute video explaining how the reintroduction of a relatively small number of wolves to Yellowstone Park had a remarkable - and positive - effect on the environment. It is an illustration of how a small enhancement to the environment can have a tremendous impact.

www.youtube.com/watch?v=rWOb8qKGbOU

(This video is no longer available.  2017-11-29)

 

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