Toothed whale brain size with the expected brain size based on such allometric analysis provides an encephalisation quotient that can be used as another indication of animal intelligence. Sperm whales have the largest brain mass of any animal on earth, averaging and in mature males, in comparison to the average human brain which averages in mature males. The brain to body mass ratio in some odontocetes, such as belugas and narwhals, is second only to humans. Dolphins are known to engage in complex play behaviour, which includes such things as producing stable underwater toroidal air-core vortex rings or "bubble rings". Two main
Curse of the Swamp Creature say that it’s any good, just a comment that you can probably sit all the way through it from beginning to end without falling asleep or wanting to gouge your eyes out with your own fingers." A "Curse of the Swamp Creature" mask was one of the last items produced by the famed Don Post Studios before it went out of business in 2012. Curse of the Swamp Creature Curse of the Swamp Creature is a 1966 American film directed by Larry Buchanan. Although Buchanan was producing low budget 16mm color remakes of American International Pictures sci-fi movies for television