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Wolf Trends in the United States

Wolf populations are currently on a dramatic upswing in the lower 48 states with the current population approaching 4,000 from a low of 500 in the mid-1900's (Figure 1).

Figure 1. Histogram showing how wolves were nearly eliminated from the conterminous United States in the first part of the 20th century. Wolves are now expanding rapidly in Northwest and Great Lakes states.

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