America's northern border with Canada shows a wide range of habitats and weather extremes; even in the absence of a physical border, the political boundary poses many problems for wild residents.
| Actor | Role |
|---|---|
 Michael KopsaNarrator | Narrator |
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America's northern border with Canada shows a wide range of habitats and weather extremes; even in the absence of a physical border, the political boundary poses many problems for wild residents.
| Actor | Role |
|---|---|
| Michael KopsaNarrator | Narrator |