Toothed whale brain size with the expected brain size based on such allometric analysis provides an encephalisation quotient that can 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. Dolphins are known to engage in complex play behaviour, which includes such things as producing stable underwater toroidal air-core vortex rings or "bubble rings". Two main
On Top of the Whale and Narciso and the addressing of fluid gender identity of Anita, who is clearly struggling whether they should identify as male or female. This is illustrated in the scene of 01.00.45-01.02.51 where Anita looks in the mirror and tells Eva that everything reflected in the mirror is the opposite and thus changes gender. "Ruiz on On Top of the Whale:" "It has become kind of an impressionistic film about the experiences of different characters who get in contact with the two Indians. My earlier fils dealt with borderline cases as well, but at the moment I reflect more upon problems