Eumeces skiltonianus is a species of skink native to North America. This small reptile is commonly known as the western skink or Skilton's skink. Synonyms for this species include Plestiodon skiltonianus, Eumeces skiltoni, and Mabuya skiltoniana. The western skink is found in a variety of habitats, ranging from deserts to forests, and is known for its bright blue tail. These skinks are agile and fast, making them challenging for predators to catch. They feed on insects and other small invertebrates and can often be seen basking in the sun. The western skink plays an important role in maintaining the balance of the ecosystem as prey and predators.