Whale 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. Small whales are known to engage in complex play behaviour, which includes such things as producing stable underwater toroidal air-core vortex rings or "bubble rings". There are two main methods of bubble ring production: rapid puffing of a burst of air into the water
Alien 2: On Earth for help but getting no answer. She finally stops yelling and sits down in an intersection. Suddenly, text shoots at the screen, warning the audience "You may be next!", implying that the aliens have taken over Earth. The film was released theatrically in Italy on April 11, 1980 as "Alien 2: Sulla Terra" ('"Alien 2: On Earth") and in West Germany on March 19, 1982 as "Alien, die Saat des Grauens kehrt zurück" ("Alien, the Seed of Horror Returns"). The English-dubbed version was released theatrically in a limited way by Cinema Shares International Distribution (which distributed films such as "Creature