When the wolves returned

restoring nature's balance in Yellowstone

Discusses how the wolf, once returned to Yellowstone National Park, helped restore balance to the ecosystem by minimizing the predation of coyotes on smaller creatures, keeping the elk herd on the run, thereby helping more aspen and willow trees to grow, and influencing other previously misunderstood dynamics.

Walker
2008
9780802796868
book
Lexile: 
1 040

Holdings

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