Charina Bottae, also commonly known as the rubber boa, is a small, non-venomous snake native to the western United States and Canada. Although it is commonly referred to as the rubber boa, there are several other terms that can be used to describe this species. These include the Pacific rubber boa, the valley rubber boa, the coastal rubber boa, and the California rubber boa. Despite the different names, they all refer to the same species. The rubber boa is known for its unique ability to curl up into a ball when threatened, making it a popular pet among reptile enthusiasts.