Animal intelligence

The Smartest Animals in the World: 20 of the Most Intelligent Species

Last updated: Personality Tests Center

Quick answer

There is no single smartest animal, because intelligence shows up differently across species. The animals most often ranked at the top are dolphins, chimpanzees and other great apes, elephants, octopuses, crows and parrots, known for tool use, problem-solving, memory and complex communication.

Take the free IQ test Free online IQ test
There's no easy answer when it comes to the smartest animal in the world, but that doesn't mean we can't debate the topic! In this article, we take a look at 20 of the most popular contenders and offer our opinions on who should be crowned the smartest animal in the world. We also provide a little bit of detail on each animal, so you can get a better understanding of their strengths and weaknesses. So who do you think is the smartest animal?

Smartest animals in the world

Smartest animals in the world image

animal most intelligent

When exploring what is the most intelligent animal, many experts point to several species known for their remarkable problem-solving abilities and complex social structures. Among the most intelligent animals are dolphins, particularly the bottlenose dolphin, which is known for its advanced communication skills and ability to learn complex tasks. Another contender is the octopus, renowned for its ability to escape enclosures and solve intricate puzzles. Additionally, great apes like chimpanzees and orangutans demonstrate advanced use of tools and an understanding of their environment that rivals that of humans in some respects. Elephants are also highly intelligent, with exceptional memory and emotional intelligence. Overall, while determining the most intelligent animal depends on how intelligence is defined, these creatures certainly showcase some of the highest levels of cognitive abilities in the animal kingdom.

Smartest animals in the world

The 20 smartest animals in the world
  • Chimpanzees

Chimpanzees

smartest animals

Chimpanzees are among the most intelligent primates. They make and use tools, such as sticks for fishing termites out of mounds, solve problems and live in complex social groups.
  • Bottlenose dolphin

Bottlenose dolphin

smartest animals - Smartest animals in the world

Bottlenose dolphins are among the smartest animals in the world. Studies show they can solve complex puzzles, learn gesture-based communication systems and recognise themselves in mirrors.
  • Parrots

Parrots

smartest animals

Parrots have the ability to learn and understand a lot of things such as colors, tools for example toothbrushes or sponges for cleaning tiny things in their cages. One knows how important it is when certain features like feathers are being used as tools.

The natural environments in which they live teach them all kinds of behavioral skills, so taking care and time to observe other birds helps a lot, their social life is essential for all small groups with these animals

for instance; parrots often need strong relationships with each member when they need to build a nest or make their homes with natural trees, it's important that we relate together as members of the little groups do.

  • Pigs

Pigs

smartest animals

Pigs are intelligent, social animals. Studies show they can learn complex tasks, recognise other individuals and respond to the emotional states of other pigs.
  • Whales

Whales

smartest animals

Large whales live in social groups and have long repertoires of distinct vocalisations; humpback whale songs can travel great distances underwater.
  • Octopus

Octopus

smartest animals

Octopuses are invertebrates with remarkable problem-solving skills: they can open jars, escape enclosures and carry objects such as coconut shells to use as shelter.
  • Elephants

Elephants

smartest animals

There is no definitive answer when it comes to the smartest animal in the world. Some people would say that elephants are the smartest, and there is some evidence to support this claim. For example, elephants are able to solve complex puzzles and use many different strategies when problem solving. They also have a very long lifespan (typically around 60 to 70 years), which means that they can accumulate a lot of experience over time.
  • Rats


smartest animals

Rats have a very high intelligence, and can solve complex problems. They are able to learn quickly, and can remember what they have learned for a long time. They are also able to think abstractly, which uses the skills that they have learned in solving puzzles or problems. They are also very curious and have been shown to play games with each other. The relationship between them has been a key factor in understanding their behavior, along with the dedicated study of rats.
  • Owls

Owls

smartest animals

Owls are skilled night hunters with exceptional hearing and vision, although studies suggest they are less adept at problem-solving than birds such as crows and parrots.
  • Squirrels

Squirrels

smartest animals

Squirrels remember where they have hidden large numbers of nuts and seeds, and some species pretend to bury food to fool potential thieves.
  • Falcons

Falcons

smartest animals

Falcons are skilled hunters that combine keen eyesight with precise flight tactics, and they can be trained to work with falconers.
  • Racoons

Racoons

smartest animals

Raccoons are clever, curious animals with very sensitive front paws. In experiments they can open latches and solve puzzle boxes, and remember the solutions for years.
  • Pigeons

Pigeons

smartest animals

Pigeons have excellent navigation skills, can recognise individual human faces and can learn to tell apart images and even letters.
  • Rhesus Monkeys

Rhesus Monkeys

smartest animals

Rhesus monkeys can learn to use touchscreens and computer tasks, and they show good memory and basic number skills in experiments.
  • Alpacas

Alpacas

smartest animals

Alpacas can learn simple commands and tricks through positive reinforcement, and they quickly learn routines.
  • Horses

Horses

smartest animals

Horses are intelligent animals. They learn quickly, remember people and places for years and read human body language and facial expressions.
  • Goats

Goats

smartest animals

Goats are curious and quick to learn. Studies show they can solve food puzzles, remember the solution for months and respond to human cues such as pointing.
  • Dogs


smartest animals

Dogs are highly social and understand human gestures such as pointing. Breeds such as Border Collies can learn the names of hundreds of objects.
  • Bees

Bees

smartest animals

Bees can learn and remember colours, scents and routes, and honeybees tell each other where food is with the waggle dance.
  • Crows

Crows

smartest animals

Crows are among the most intelligent birds. They make and use tools, solve multi-step puzzles, remember human faces and communicate with a wide range of calls.
  • White-tailed Deer

White-tailed Deer

smartest animals

White-tailed deer have keen senses of sight, hearing and smell, and they learn and remember the safe routes and danger spots in their home range.
  • Cats

Cats

smartest animals

Cats are intelligent animals. They learn by observation, remember solutions to problems and recognise their owners' voices.

top 100 smartest animals

Determining the smartest animal in the world can be subjective, as intelligence in animals manifests in various forms such as problem-solving, communication, and social structure. However, here are some of the top 100 smartest animals known for their exceptional cognitive abilities:

Dolphins (especially Bottlenose Dolphins) - Known for their complex communication and ability to understand abstract concepts.
Chimpanzees - These great apes are capable of using tools, recognizing themselves in mirrors, and understanding human gestures.
Elephants - Renowned for their memory, emotional intelligence, and ability to use tools.
Orangutans - Highly skilled in using tools and demonstrating problem-solving capabilities.
Octopuses - Experts in escaping and solving complex puzzles, with remarkable problem-solving abilities.
Crows - Crows can use tools, recognize themselves in mirrors, and even plan for the future.
African Grey Parrots - Known for their advanced communication and ability to understand and use human language.
Whales - Similar to dolphins, whales exhibit complex communication and social bonding behaviors.
Ravens - Like crows, ravens display advanced problem-solving and the ability to plan ahead.
Dogs - Particularly Border Collies and Poodles, known for their ability to understand human commands and solve complex tasks.
Pigs - Pigs have been shown to possess problem-solving skills, understanding of complex tasks, and emotional intelligence.
Sea Lions - Known for their ability to learn complex tricks and communicate with humans.
Squirrels - Known for their ability to navigate complex environments and remember where they hide food.
Bees - Despite their small size, bees can solve intricate problems, communicate with each other, and learn new tasks.
Pigeons - Capable of recognizing themselves in mirrors and navigating complex environments.
These animals represent just a small portion of the wide variety of species with extraordinary intelligence. The smartest animal in the world is often debated, as intelligence can be measured in different ways across species, but these examples highlight the vast cognitive abilities found in nature.

In summary, we live in an intelligent world where every days by learning and observing, not only humans but animals as well depend on what they learn from their surroundings. We have the advantage that due to recent technology, we can watch them carefully while they are very close in order to be confident about listening or seeing if something is happening with a prey animal considering the new responsibilities of taking care all over our planet Earth.

Frequently asked questions

What is the most intelligent animal in the world?

Many experts point to chimpanzees, which use tools, solve problems and show a wide range of emotions. Dolphins, gorillas, elephants and orangutans are also frequently named.

What are the 5 smartest animals in the world?

Lists vary, but five that appear on almost every ranking are dolphins, chimpanzees, elephants, orangutans and octopuses.

What is the smartest animal in the ocean?

Dolphins, especially bottlenose dolphins, are usually ranked first for their complex communication and ability to learn tasks. Whales and octopuses are also highly intelligent.

Are dogs among the smartest animals?

Yes. Dogs, particularly breeds such as Border Collies and Poodles, are known for understanding human commands and solving complex tasks.

Curious how smart you are?

Animals have their own kinds of intelligence. For humans, take our free online IQ test to see where your score falls.

Start the free IQ test