What is "rubber boa"

n. a type of American snake, (taxlink Charina bottae species noshow=1).

n. boa of grasslands and woodlands of western North America; looks and feels like rubber with tail and head of similar shape [syn: tow-headed snake, Charina bottae]

The rubber boa (Charina bottae) is a species of snake in the family Boidae. The species is native to the Western United States and British Columbia, Canada.