Western fence lizard
（重定向自Bluebelly）
![](/Images/godic/202501/01/Sceloporus_occidentalis_082903722.JPG")
![S. o. occidentalis courting on a log](/Images/godic/202501/01/Western_Fence_Lizard_Courting3722.jpg")
![The blue ventral side of the lizard, giving it the name](/Images/godic/202501/01/Western_fence_lizard_-_underside3722.jpg")
![S. o. bocourtii](/Images/godic/202501/01/WesternFenceLizard3722.jpg")
The western fence lizard (Sceloporus occidentalis) is a common lizard of Arizona, 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.