What animal has the biggest brain?

The size of the brain is a frequent topic of study within the fields of anatomy and evolution. Brain size can be measured by weight or by volume The relationship between brain size and intelligence is frequently a topic of research. Contents. [hide]. 1 Humans. 1.1 Changes over time; 1.2 ... read more

Humans make the list of largest brains by possessing a brain that can weigh up to 3.1 pounds, and that accounts for around 2.1 percent of the body. The human brain has three main parts: the cerebrum (forebrain), cerebellum (midbrain) and brain stem (hindbrain). read more

6: The Human Brain Is the Biggest Brain - The biggest brain is the human brain -- or so you might think, since we're smart. Take a look at animal brains and see which brain is the biggest brain. read more

1. The largest brain belongs to the sperm whale: 7 kg (17.5 pounds). The blue whale, the largest animal on the planet, being twice longer and thrice heavier, has a brain weighing 5 kg (12.5 pounds). 2. Human brain has an average weight of 2.7 pounds (1.2 kg), variations between 1.1 and 1.4 kg being considered normal. read more

Sperm Whale. The largest mammalian brain belongs to the sperm whale, one of the biggest cetaceans in the sea. The sperm whale's head comprises 25 to 35 percent of its entire body length. The mature adult sperm whale's brain weighs an average of 18 pounds, and can grow to be nearly 500 cubic inches in size. read more

The largest brain of a terrestrial animal is that of the elephant: 10.5 pounds (4.78 kg). Still, the brain of the elephant makes less than 0.1% of its body weight. 5. read more