They are nocturnal however, they may bask during the day when night-time temperatures are too low. It is from Panama.īoa constrictors are solitary animals, and will only associate with conspecifics to mate. ⤷ ''Boa constrictor isthmica'' : Considered synonymous with ''B. It is possible a slightly different climate may have caused such a change, but this could then undermine the other insular subspecies such as ''B. imperator'' but has a higher number of ventral scales than ''B. ⤷ ''Boa constrictor sigma'' : A very controversial possible subspecies from the Tres Marias Islands, Mexico. ⤷ ''Boa constrictor diviniloqua'' : Now known to be synonymous with ''B. However, no other such specimens have been found and it is thought that the snake was an aberrant B.c.imperator. ⤷ ''Boa constrictor eques'' : Based upon a single specimen from Peru that had one large orbital scale. However, there is still controversy as Andrew reported four Mexican specimens with dorsal scale rows between 56–62. imperator'' subspecies by most authors, as Smith commented that no Mexican boas have been proven to have 55 dorsal scale rows. mexicana'' has been included within the ''B. ⤷ ''Boa constrictor mexicana'' : This was described from a single specimen which had 55 dorsal scale rows, but otherwise appeared the same as a ''B. There have also been several other subspecies described at different times, but currently these are no longer considered to be subspecies by many herpetologists and taxonomists. Some appear to be based more on location than biological differences, such as ''B. There are 10 current subspecies of Boa constrictor, however much of these are poorly differentiated and it is thought that further research will redefine many of these subspecies. Other common names include 'chij-chan', 'jibóia' and 'macajuel'. Within the exotic pet trade it is also known as a 'BCC', an abbreviation of its scientific name, to distinguish it from other Boa constrictor subspecies such as the ''Boa constrictor imperator'' which is also regularly, and erroneously, referred to as a 'red-tailed boa' or 'common boa'. constrictor'', is often referred to specifically as the 'red-tailed boa'. Though all boids are constrictors, only this species is properly referred to as 'Boa constrictor' a rare instance of an animal having the same common and scientific binomial name.Īll subspecies are referred to as 'Boa constrictors', while the nominate subspecies, ''B.

Jungle boa constrictor size