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.
On Top of the Whale any such encounter is inevitably a game in which the 'objects' of ethnographic inquire are dissimulating themselves and this dissimulation is inevitably subject to further distortions in its interpretations". Several themes that come forth in "On Top of the Whale" include Life, Survival, Love, Reality, Illusion, Marxism and Civilization. It could be treated as a parodic version of a problematic cross-cultural "first contact", in colonial settings. Its emphasis is on the anthropologists attempt to understand native culture and unintentionally harming it as a result. On Top of the Whale On Top of the Whale () is a 1982 Dutch surreal