Ever wonder who has the biggest brains among the animals in the whole world ? we did some some research on this and find out a list of animals having big and small brain size in the world.

sperm whale - quiz and facts

Sperm Whale Brain

Whale are of various breeds like blue whale, sel whale, humpback whale, killer whale, sperm whale etc..The sperm whale is named after “spermaceti” which is a waxy substance used in oil lamps and candles and they are basically found on their head.

Sperm whale has the largest brain in the world, it weighs around 18 pounds but compared to the whales impressive size the brain isn’t that large it accounts only about 0.02% of the entire body mass. Sperm whales are considered as one of the intelligent marine mammal with unique and specialised skills.

Elephant’s Brain

Among all the breeds of elephants the African Elephants are the largest species.The brain of African Elephant is three times larger than the human brain.

Elephant brain is the biggest among any living land mammals. Elephant brain weight can reach 12 pounds but the organ accounts for mere 0.1 percent of the animals brain mass. Brain in elephants is located not at the front but at the back of the elephants head.

Elephants are very smart creature with a proven and impressive mental capabilities. They have a great memory and this makes them special from all the animals. Elephants big brains help them to store an amazing memory.

african elephants
Bottlenose dolphins

Dolphins Brain

The dolphin brain is just a bit bigger than the human one, around 3 and a half pounds. Bottlenose dolphins, the genus Tursiops, are the most common members of the family Delphinidae. The dolphin’s brain is the second most powerful and complex brain in animals

Dolphins have an exceptionally large and well developed brain part which is responsible for thinking and understanding.

You can notice exception dolphin intelligence as they have notoriously talented mimics and quick learners; they demonstrate self-awareness, problem-solving, and empathy, innovation, teaching skills, grief, joy and playfulness. Among whale and dolphin, dolphin are considered of having more intelligence.

Human Brain

Humans are considered of having larger brains when compared to all the other living creatures. Humans are considered to be the most intelligent living organisms on earth.

 Humans have the ability to think and react to situations, whereas, animals do not. Human have large brain when compared to the animal brain. The average human brains weigh about 3 pounds and takes up to 2.1% of the body weight

human brain
tree shrew brain size

Tree Shrews Brain

The Tree Shrews are small mammals native to the tropical forests of Southeast Asia. They have one of the biggest brain to body mass ratio among mammals tree shrew brain size counts around 10% of its total body mass

RagWorm Brain

Ragworm are the smallest creature with a brain. Ragworm is a marine worm with brain size of human hair width but the neurons in their tiny brains works similar to those in the human brain

ragworm
spider brain

Spider Brain

The spider brain takes up 80 % of the creatures body spreading even into its legs

Some animals have rather regular size but bizarre brains for eg – the squids brain is donut shape and have a tube carrying food from their mouth to their stomach that runs straight through their body.

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