What is the primary geographic distinction for the Red-breasted Sapsucker (*S. ruber*) range?

Answer

It occupies the Pacific coast.

The geographic distribution of the three closely related sapsucker species shows clear regional separation, although interbreeding occurs at boundaries. The Red-breasted Sapsucker (*S. ruber*) is geographically associated with the Pacific coast region. In contrast, the Yellow-bellied Sapsucker (*S. varius*) is predominantly an eastern species, and the Red-naped Sapsucker (*S. nuchalis*) is typically found in the interior West, highlighting how differing environmental pressures across North America have influenced the divergence and maintenance of their distinct plumages and ranges.

What is the primary geographic distinction for the Red-breasted Sapsucker (*S. ruber*) range?
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