Boa constrictor occidentalis
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 in the subtropical temperate west of Argentina and Paraguay, although some members have been reported to exist in Bolivia as well. Description Size and weight The Boa constrictor occidentalis subspecies experiences sexual dimorphism, with females being greater in size and weight. Adult males reach anywhere between 6 and 8 feet. Whereas adult females can reach lengths of 8 to 10 feet regularly, though some members have been found to reach as long as 4 m (13.13 ft). Male members of this subspecies on average weigh 4.06 kg (8.95 lb). Female members are much heavier, weighing at an average of 6.13 kg (13.5 lb). Male Argentine boas generally have longer tails in order to contain the hemipenes as well as having longer pelvic spurs that the male uses to grip onto the female and stimulate during copulation. Coloring Boa constrictor occidentalis possess a wide range of scale coloration ranging from black specimens with a high rate of contrasting white to specimens exhibiting varying degrees of burnt-orange to red. This species usually