Boa constrictors are also called red tailed boas. Boa constrictors are non-poisonous. Instead it uses its powerful body to suffocate its prey. Boa constrictors are from South and Central America, from northwestern Mexico to northern Argentina. They eat lizards and other vertebrates. They can live up to 46 years in the wild and about 20 in captivity ( pet care ). To visit my online frog and reptile blog go to http://www.devingunther.com.