Four-toed salamander
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[Photo] Four-toed Salamander (Hemidactylium scutatum). The endangered four-toed salamander. License: public domain.

The Four-toed salamander (Hemidactylium scutatum) is native to North America. It is a member of the Plethodontidae family of salamanders, which is characterized by their absence of lungs; they instead achieve respiration through their skin and the tissues lining their mouth. It is a relatively small salamander, and usually only grows to lengths of 2 to 3.5 inches (5 to 10cm) at adulthood. It can be identified by its four-toed hind feet and its milk white belly, which is peppered with black markings.

http://en.wikipedia.org/wiki/Four-toed_salamander

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