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.
People of the Whale Thomas to join them on the hunt. Marco has the job of listening for the whale, and on the day of the hunt, he is able to feel a whale as it approaches and expresses this to his father. When the whale appears, Thomas, without thinking, shoots the whale with his gun, and is suddenly flooded with harrowing memories of his experiences in the war. Chaos ensues the other men open fire on the whale, the canoe is flipped over, and Marco disappears. After returning, the men, excluding Thomas, carelessly leave the whale on the beach and go inside to