Input (grade 8): All subspecies are referred to as "Boa constrictors", while the nominate subspecies, B. c. constrictor, is often referred to specifically as the "red-tailed boa".
Output (grade 8): All subspecies are referred to as "boa constrictors," while the nominate subspecies, B. c. constrictor, is often referred to specifically as the "red-tailed boa."