The boa constrictor (''Boa constrictor'') is a common pet snake of the family Boidae.
The boa constrictor (''Boa constrictor'') is a common pet snake of the family Boidae.
==Morphology==
==Morphology==
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They may grow to a length of about 4 metres (13 ft). Unlike many other boids they do not have heat-sensitive pits. The colouring tends to vary geographically but they tend to be a snake with brown or red saddles along the dorsum. There is a proliferation of names by hobbyists to describe colour forms.
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They may grow to a length of about 4 metres (13 ft). Unlike many other boids they do not have [[Snake Special Senses|heat-sensitive pits]]. The colouring tends to vary geographically but they tend to be a snake with brown or red saddles along the dorsum. There is a proliferation of names by hobbyists to describe colour forms.
==Free-Living==
==Free-Living==
*Distribution - Boa constrictors have a large natural range from Argentina in the south to northwestern Mexico.
*Distribution - Boa constrictors have a large natural range from Argentina in the south to northwestern Mexico.