Boa constrictor occidentalis
Subspecies of snake
Boa constrictor occidentalis, also commonly known as the Argentine boa, is a subspecies of large, heavy-bodied, nonvenomous, constricting snake. Boa constrictor occidentalis is a member of the family Boidae, found mostly in tropical and subtropical areas in northern Argentina and Paraguay, although some members have been reported to exist in Bolivia as well.