Different Kinds of Boas
Boas are snakes that kill their prey by constricting it with their muscular body before devouring it. Boas give birth to many live young, and they possess two lungs, along with the vestiges of what were once hind legs.
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Rubber Boa
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The rubber boa is named for its small scales and loose skin that gives the snake a rubbery texture. In North America, it ranges as far north as British Columbia. They seem to do well in cooler climates that other boas shun, and with the rosy boa, they are one of only two boas in the U.S.
Rosy Boas
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The rosy boa, found in the western parts of Arizona and southern portions of California, is one of the smallest of the boas, rarely exceeding 3 feet in length. There are five distinct subspecies---the Mexican, Baja California, Coastal, Desert and Cedros Island rosy boa.
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Boa Constrictor
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The boa constrictor can reach 9 feet in length and has the ability to live in desert, tropical and grassland habitats. No other boa species can live in as wide a range of environments, and the boa constrictor is as at home in trees as it is on land.
Anaconda
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The largest of the boas is the anaconda, a snake that sometimes is 25 feet in length with a girth of 3 feet. The popular misconception is that the anaconda is a separate kind of snake, but it is a member of the boa family.
Emerald Tree Boa
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The emerald tree boa of South America stays strictly in trees, using the heat sensors in its nose to detect prey and its prehensile tail to grip tightly to branches. They feed upon lizards, moneys, birds and bats.
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