How Wolves Change Rivers

Although this short video is a little dated (from 2014), it still highlights an important lesson that continues to be valid today. The video discusses how the introduction of wolves in Yellowstone have alterred the food chain, created opportunities for other wildlife, and have changed the geography of the park itself. Moreover, it shows the importance of having a complete ecosystem in places like Yellowstone:









Jeff
HikinginGlacier.com
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Ramble On: A History of Hiking
Exploring Glacier National Park
Exploring Grand Teton National Park