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.
Creature Features the 1970s, the films of Amicus Productions and Tigon British Film Productions, which included "Dr. Terror's House of Horrors" and "The House That Dripped Blood", became popular features on the shows. "Creature Features" also aired many "nuclear monster" and "space alien" science fiction movies. Created in the 1950s, these movies generally featured giant mutant monsters or aliens from outer space terrorizing Earth. These included "Attack of the 50 Foot Woman", "The Amazing Colossal Man", "Them!", "Tarantula", "The Thing from Another World", "It Came from Outer Space", "The War of the Worlds", and "Forbidden Planet". "Creature Features" usually aired on Friday