When the wolves returned / Patent, Dorothy Hinshaw

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.

Shows the wolves in the natural habitat that was almost lost without them.

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.