Boa constrictor

Boa constrictors are large snakes that can be found in parts of the North Americas, Europe, Asia, and Africa. On 23 June, 1991, Parselmouth Harry Potter spoke to a boa constrictor from Brazil. He unknowingly used underage magic by making the pen's glass vanish, freeing the boa.

Behind the scenes

 * In the film adaptation of Harry Potter and the Philosopher's Stone, the boa constrictor from Brazil is changed to a python from Burma.
 * In the film, the snake blinks multiple times 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 glass.

Appearances

 * Harry Potter and the Philosopher's Stone
 * Harry Potter and the Chamber of Secrets