Question: What Animal Has The Smallest Brain?

Who has the biggest brain in the world?

sperm whaleThe sperm whale has the largest brain in the world.

Incredibly, the sperm whale has a brain that weighs around 18 pounds..

What animal has no blood?

Flatworms, nematodes, and cnidarians (jellyfish, sea anemones, and corals) do not have a circulatory system and thus do not have blood. Their body cavity has no lining or fluid within it. They obtain nutrients and oxygen directly from the water that they live in.

Does brain size affect intelligence?

In healthy volunteers, total brain volume weakly correlates with intelligence, with a correlation value between 0.3 and 0.4 out of a possible 1.0. … Thus, on average, a bigger brain is associated with somewhat higher intelligence.

What is the stupidest state?

Top 10 Dumbest States:Idaho.Oklahoma.New Mexico.Arizona.Louisiana.Alaska.Hawaii.Mississippi.More items…•

Which animal has the most brains?

sperm whaleThe sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms). Larger brains don’t necessarily make a smarter mammal. But as mammals evolved, many groups, from Primates to Carnivora, have shown independent increases in brain size.

What animals have the smallest brain?

The Etruscan shrew is the smallest terrestrial mammal and, with a weight of only 64 mg, has one of the smallest brains of all mammals.

What is the stupidest animal?

Top 10 dumbest animals on the planet8- Goblin shark. … 7- Koala. … 6- Lilac-breasted roller. … 5- Kakapo. … 4- Flamingos. … 3- Pandas. Yes, they are incredibly cute. … 2- Turkeys. The domesticated turkey is indeed one of the dumbest animals in the world. … 1- Sloths. Sloths are the slowest and dumbest animals out there.More items…•

What animal has 32 brains?

leechesThe leeches that I have driven several hundred miles to encounter are freshwater, bloodsucking, multi-segmented annelid worms with 10 stomachs, 32 brains, nine pairs of testicles, and several hundred teeth that leave a distinctive bite mark.

What animals have bigger brains than humans?

Bottlenose dolphins have bigger brains than humans (1600 grams versus 1300 grams), and they have a brain-to-body-weight ratio greater than great apes do (but lower than humans). “They are the second most encephalized beings on the planet,” says Marino.

Are whales smarter than humans?

Whales have pretty big brains. … The sperm whale brain weighs about five times as much as a human brain. But just because you have a big brain doesn’t necessarily make you smarter. However, we do know that animals that have a big brain compared to their body do tend to have a certain kind of intelligence.

Which dog has the smallest brain?

chihuahuaLondon – The chihuahua hails from the Mexican state of the same name. They are the world’s smallest breed of toy dog, weighing in at anything from 2lb (907g) to 6lb (2.7kg) – barely a third of the average cat.

Is the elephant the smartest animal?

Most contemporary ethologists view the elephant as one of the world’s most intelligent animals. … Elephants manifest a wide variety of behaviors, including those associated with grief, learning, mimicry, play, altruism, use of tools, compassion, cooperation, self-awareness, memory, and communication.

What animal has 3000 teeth?

Great White SharksThe Great White Shark is the largest predatory fish on earth, and it wields a lot of impressive teeth. Great White Sharks have around 3,000 teeth in their mouth at one time in multiple rows on their jaws. If a tooth is lost, another one simply slides forward to replace it, and they grow a new one.

What is the stupidest name?

Top 10 Stupidest NamesOink. … Gaye. … Pimplypoop. … X Æ A-12. … Stupid. … Wang. … Lesquisha. … Grimes. How can Elon Musk have such a normal name (even if it’s kind of uncommon,) and his wife has the nickname “Grimes” (which would be a great name for a swamp monster,) and the kid’s name is as normal as “Kksjbbffhhfjdjj”?More items…

What animal has 800 stomachs?

Fish are not the only creatures that can lack stomachs. All of the monotremes, or egg-laying mammals such as the platypus and echidna, also lost their stomachs during the course of evolution.

Who has the biggest brain human?

The volume of the human brain has increased as humans have evolved (see Homininae), starting from about 600 cm3 in Homo habilis up to 1680 cm3 in Homo neanderthalensis, which was the hominid with the biggest brain size….Brain size.NameBrain size (cm3)Homo neanderthalensis1200–1750Homo sapiens14004 more rows

What animal has the smartest brain?

The great apes are considered the smartest creatures after humans. Of course, humans are biased in this regard, but the intellectual capacity of the great apes is difficult to deny. After all, we share over 96 percent of the same DNA. Orangutans stand out as being especially gifted in the brains department.

Are human brains getting smaller?

Indeed, skeletal evidence from every inhabited continent suggests that our brains have become smaller in the past 10,000 to 20,000 years. How can we account for this seemingly scary statistic? Some of the shrinkage is very likely related to the decline in humans’ average body size during the past 10,000 years.

Are dolphins smarter than humans?

Are dolphins smarter than humans? Current tests for intelligence indicate that dolphins do not possess the same cognitive abilities as humans and are thus not the “smarter” species. Like humans, dolphins possess the ability to beneficially alter their surroundings, solve problems, and form complex social groups.

What is the dumbest dog?

The 10 Dumbest Dog Breeds and Why They’ve Been Characterized as “Dumb”Afghan Hound. The Afghan Hound is the “dumbest” dog. … Basenji. Basenjis also make the list of dumbest dog breeds. … Bulldog. Bulldogs are known for their stubbornness. … Chow Chow. Chow Chows can also be difficult to train. … Borzoi. … Bloodhound. … Pekingese. … Beagle.More items…•

What animal has a pea sized brain?

According to the new study, Buriolestes schultzi’s brain had an elongated shape and weighed about 1.5 grams, as much as a pea, Tibi Puiu writes for ZME Science. That’s pretty small for an animal.