Sand Boas, are a subfamily of nonvenomous snakes in the family Boidae. These snakes are found in Europe, Asia Minor, Africa, Arabia, central and southwestern Asia, India, Sri Lanka, and western North America. Habitat and Range. During the day the sand provides protection from the sun, so the boa can save energy to be active at night. Their head is relatively small and has a distinct wedge shape, excellent for burrowing through sand and soft soil, and their smaller, anterior scales help facilitat