(45 kilograms) By comparison, green anacondas reach up to nearly 20 feet (6 m) long, and reticulated pythons are commonly 16 to 25 feet (4.8 to 7.6 m) long.īoa constrictors also usually have marks on their heads, typically a stripe that runs from the snout to the back of the head, and a dark triangle between the nose and the eyes continues until behind the eyes, this is where it slopes downward toward the snakes jaw. Boa Constrictor Appearanceīoa constrictors are generally between 6.5 and 9.8 feet (2 and 3 m) long. Boas are not venomous they kill their prey by constricting or squeezing it to death. Probably the best-known characteristic of boa constrictors is their method of killing. COMMON NAME: Boa ConstrictorĪVERAGE LIFE SPAN IN THE WILD: 20 to 30 years The giant member of the group is the boa constrictor, but it is important to note that this is only one boa species-all boas are constrictors. Boinae includes the boa constrictor, tree boas (genus Corallus), and anacondas (genus Eunectes) of the American tropics two other genera are found on Madagascar and islands of the southwestern Pacific.īoas are found in Mexico, Central and South America, and Madagascar. The true boas are divided into two subfamilies, Boinae and Erycinae. In addition, boa may also refer to two other groups of snakes: the Mascarene, or split-jawed, boas and dwarf boas (ground and wood boas of the family Tropidophiidae). There are more than 40 species of true boas (family Boidae). Trending Animal News of The Week: Boa Constrictor Characteristicsīoa Constrictor is a common name for a variety of nonvenomous constricting snakes.
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