the sperm whale has the largest brain in comparison to its size.
the sperm whale has the largest brain in comparison to its size.
who has the largest brain in comparison to its size?
the sperm whale
Na
Na
brain size was previously considered a major indicator of intelligence. since most of the brain is used for maintaining bodily functions, greater ratios of brain to body mass may increase the amount of brain mass available for cognitive tasks. allometric analysis indicates that mammalian brain size scales at approximately two-thirds or three-quarter exponent of the body mass. comparison of a particular animal's brain size with the expected brain size based on such an analysis provides an encephalization quotient that can be used as an indication of animal intelligence. sperm whales have the largest brain mass of any animal on earth, averaging and in mature males. the brain to body mass ratio in some odontocetes, such as belugas and narwhals, is second only to humans. in some whales, however, it is less than half that of humans: 0.9% versus 2.1%. the sperm whale ("physeter macrocephalus") is the largest of all toothed predatory animals and possesses the largest brain.
cetacea