Pygmy sperm whale significant concentration of magnetite crystals, which suggests that "K. breviceps" can navigate by magnetoreception. Studies have also shown that compared to the sperm whale, the pygmy sperm whale brain has significantly fewer neurons, which may be connected to a decreased complexity in social interaction and group-based living. Like all toothed whales, the pygmy sperm whale hunts prey by echolocation. Sound produced for echolocation by many odontocetes come in the form of high frequency clicks. The frequencies it uses are mostly ultrasonic, peaking around 125 kHz. The clicks from their echolocation has been recorded to last an average of 600 microseconds.
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