Quote Originally Posted by anthrpicdecadnce
I call BCI's boa constrictors.
But see, saying boa constrictor is pretty much the same as saying red tail boa.

Someone says, I got a red tail boa. All right, what kind of red tail? We'll ask because we don't automatically assume that all red tails are BCI... we just say red tail to delineate a snake in the boa constrictor family (most of whom do, indeed, have red tails).

But, you say, I got a boa constrictor. All right... what kind of boa constrictor? There's boa constrictor imperator, or boa constrictor occidentalis, or boa constrictor constrictor...

If you really want to get into specifics, you need to use the subspecies names: imperator, constrictor, occidentalis... etc.