What is "rosy boa"

n. boa of rocky desert of southwestern United States [syn: Lichanura trivirgata]

The rosy boa (Lichanura trivirgata) is a species of snake of the family Boidae. The rosy boa is one of only two members of that family native to the United States, the other being the rubber boa (Charina bottae). The rosy boa is native to the American Southwest, and adjacent Baja California and Sonora, Mexico.