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"In popular language, the name of all those large serpents which kill their prey by entwining themselves around it, and constricting it in their coils; but by zoologists of the present day, limited as the name of a genus to a very small portion of their number, all of which are natives of the warm parts of America." — Chambers, 1881

Boa

"In popular language, the name of all those large serpents which kill their prey by entwining themselves…

This gigantic snake kills its prey by constricting around it, squeezing it to death, then swallowing it whole.

Boa constrictor

This gigantic snake kills its prey by constricting around it, squeezing it to death, then swallowing…

"The boa constrictor grows to great size, and greatly resembles the python in its habits." — Goodrich, 1859

Boa constrictor

"The boa constrictor grows to great size, and greatly resembles the python in its habits." — Goodrich,…

A large serpent.

Python

A large serpent.