Known Boa Constrictor

The Boa constrictor (binomial name Boa constrictor) is a large, heavy-bodied species of snake, a member of the family Boidae.Boa Constrictor at Wikipedia
==History==
On 23 June, 1991, Parselmouth Harry Potter spoke to a boa constrictor from Brazil that was in captivity at a Zoo in Surrey. Harry unknowingly used underage magic by making the glass of its enclosure vanish, freeing the boa. The boa then said to him "Thanksss", before leaving.
==Behind the scenes==
thumb|right|The animated Nagini as a Dumeril's Ground Boa
*In , the boa constrictor from Brazil is changed to a , and so is the mention of it in .
**In the Brazilian dub, the boa constrictor comes from Brazil according to the first movie (referencing the book), but its species is not mentioned in the second movie.
*In both the book and the film, the snake winks at Harry, despite the fact that snakes have no eyelids.
*Also in the film, after the boa is freed the glass reappears trapping Dudley on the inside of the pen.
*In the film adaptions of , and , Voldemort's pet snake, Nagini, is portrayed as a while a in she is portrayed as a . Both of these snakes are non-venomous, using to kill their prey, while Nagini is venomous.
*There was a popular fan theory that Nagini and the snake from the zoo were the same, however this has been debunked by J. K. Rowling.Noooo... I thought I'd shot that one down! The escaped boa constrictor in Philosopher's Stone wasn't Nagini. It was never Nagini. That's an incorrect but very persistent fan theory! - @jk_rowling on Twitter
==Appearances==
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==Notes and references==
Category:Snakes