Alsophis rufiventris (Duméril, Bibron & Duméril, 1876) – Saba Racer, Orange-bellied race, red-bellied racer
Alsophis sanctonum occurs along mangrove edges, roadsides, gardens, wooded areas, preferentially in semi-deciduous forest with Pimenta racemosa, Pisonia grandis, Guapinol, and Bursera simaruba.