Spiny lizards is a common name for the genus Sceloporus in the family Phrynosomatidae. The genus is endemic to North America and Central America. This genus includes some of the most commonly seen lizards in the United States. Other common names for lizards in the genus Sceloporus include fence lizards, scaly lizards, and swifts. The 110 species in the genus Sceloporus are organized into 21 species groups. However, their relationships to each other are currently under review.
The western fence lizard (Sceloporus occidentalis) is a common lizard of Arizona, New Mexico, California, Idaho, Nevada, Oregon, Utah, Washington, Northern Mexico, and the surrounding area. As the ventral abdomen of an adult is characteristically blue, it is also known as the blue-belly. It is a member of the genus Sceloporus (the spiny lizards). Wikipedia 7-30-2021
The western fence lizard (Sceloporus occidentalis) is a common lizard of Arizona, New Mexico, California, Idaho, Nevada, Oregon, Utah, Washington, Northern Mexico, and the surrounding area. As the ventral abdomen of an adult is characteristically blue, it is also known as the blue-belly. It is a member of the genus Sceloporus (the spiny lizards). Wikipedia 7-30-2021
Please note that variation is NOT evolution, e.g. macro-evolution. It supports fixity in Kinds.
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