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The family Boidae comprises three subfamilies: true boas, Boinae; dwarf boas, Erycinae; pythons, Pythoninae. They have vestigial hindlimbs seen as spurs near the vent and include the giant species of snakes. Pythons differ from boas in the arrangement of the skull bones and their reproduction.
- Find out more about Boa Constrictors
- Find out more about Royal Pythons