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The sperm whale's brain is the largest in the world, five times heavier than a human brain. The sperm whale brain is the largest known of any modern or extinct animal, weighing on average about 7.8 kilograms (17 lb) [61] [62] (with the smallest known weighing 6.4 kilograms (14 lb) and the largest known weighing 9.2 kilograms (20 lb)), [44] [45 ...
Common minke whale: 5.7 ... One early suggestion was brain size (or weight, which provides the same ordering.) ... Pygmy sperm whale: 2,020,000,000* Optical ...
Comparison of actual brain size with the size expected from allometry provides an encephalization quotient (EQ) that can be used as a more accurate indicator of an animal's intelligence. Brain of the sperm whale, considered the largest brain in the animal kingdom. Sperm whales (Physeter macrocephalus) have the largest known brain mass of any ...
The size of the brain is a frequent topic of study within the fields of anatomy, ... The largest brains are those of sperm whales, weighing about 8 kg (18 lb).
Sperm whales, which can reach about 60 feet (18 meters) long, have the largest brain of any animal. They are deep divers, feeding on giant squid and other prey.
Brain of the sperm whale, considered the largest brain in the world. Sperm whales have the largest brain mass of any animal on Earth, averaging 8,000 cm 3 (490 in 3) and 7.8 kg (17 lb) in mature males. [24] The brain to body mass ratio in some odontocetes, such as belugas and narwhals, is second only to humans. [25]
Thus, large whales have very small brains compared to their weight, and small rodents like mice have a relatively large brain, giving a brain-to-body mass ratio similar to humans. [4] One explanation could be that as an animal's brain gets larger, the size of the neural cells remains the same, and more nerve cells will cause the brain to ...
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