Marc Cooke on Yellowstone Wolf Population

Marc Cooke on Yellowstone Wolf Population Play

Sept. 3 (Bloomberg) -- Marc Cooke, president of Wolves of the Rockies, talks about the impact of killing Yellowstone National Park wolves on the ecological balance in the park. Cooke says the cause of recent decline in wolf numbers occurs when the animals are killed by hunting or trapping when they wander outside the boundaries of the park. (Source: Bloomberg)

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