Anaconda

Reports of giant anacondas date back as far as the European colonization of South America, when sightings of anacondas upwards of 50 meters (164 feet) began to circulate amongst colonists. The size of the largest anacondas has been the subject of debate ever since among cryptozoologistsand zoologists.

Anacondas kill by constricting (squeezing) the prey until it can no longer breathe. Sometimes they drown the prey. Like all snakes, they swallow the prey whole, head first. Theanaconda's top and bottom jaws are attached to each other with stretchy ligaments, which let the snake swallow animals wider than itself.