The boa constrictor (Boa constrictor), also called the red-tailed boa or the common boa, is a species of large, non-venomous, heavy-bodied snake that is frequently kept and bred in captivity. The boa constrictor is a member of the family Boidae, found in tropical North, Central, and South America, as well as some islands in the Caribbean. A ... Tail: Although it may seem that a boa constrictor is ALL tail, the tail is actually from the cloaca (vent area) to the tip. This is the part of the boa that the trade name “Red Tail” comes from. Unlike lizards, boas cannot "lose" their tail and then regenerate it. Boas often wrap their tails around Boa c. constrictor Peru offspring 2011 for sale. Peru possesses a coastal plain running along its Pacific shore for 2,400 km (1,500 miles). The country borders Colombia and Ecuador in the north, Brazil in the east, and Chile and Bolivia in the south. In fact many common boa constrictors do have a red tail, distinctly different in color than the rest of the body; however, the common name of "red-tailed boa" is also commonly applied to the South American boa constrictor, Boa constrictor constrictor, which typically has an even redder tail.