Quote Originally Posted by _BoidFinatic_
BCC is (Boa Constrictor Constrictor) and that is the redtail boa. BCI (Boa Constrictor Imperator) is the common boa constrictor [possibly having a reddish tail, but not a true "redtail"]
While not a "true" Redtail, common Boas are OFTEN referred to as Redtail Boas.