HomeEducationClassroom30 Fascinating Dolphin Facts for Kids

30 Fascinating Dolphin Facts for Kids


Dolphins are known for being playful, adorable, and very intelligent. In fact, many have called them the geniuses of the ocean. Maybe that’s why they’re so popular and beloved around the world! We might be familiar with their beautiful faces, but how much do we know about these graceful creatures? These fascinating dolphin facts for kids are perfect for lesson plans or trivia in the classroom.

Dolphins are mammals.

Even though they look like big fish, dolphins are mammals that belong to the whale family. They are marine mammals that can be found in tropical and temperate oceans (oceans with mild temperatures) around the world.

Porpoises and dolphins are different.

Porpoises and dolphins are different. - Dolphin Facts for Kids 

Even though they are closely related and look so much alike, dolphins and porpoises are different. Typically, dolphins are larger and have longer snouts.

Dolphins are carnivores.

Dolphins are carnivores. 

Dolphins eat mostly fish, but they also eat crustaceans such as squid and shrimp.

“Bottlenose dolphin” is their common name.

Bottlenose Dolphin is their common name.- Dolphin Facts for Kids 

The scientific name for bottlenose dolphins is tursiops truncatus. Watch this video to learn more about bottlenose dolphins.

A group of dolphins is called a pod.

A group of dolphins is called a pod.- Dolphin Facts for Kids 

Bottlenose dolphins are social creatures that travel in groups, or pods, of around 10 to 15.

Dolphins live for 45 to 50 years.

Dolphins live for 45 to 50 years.

This is their average life span in the wild.

Each dolphin has a unique whistle.

Each dolphin has a unique whistle.- Dolphin Facts for Kids 

Much like humans have names, dolphins are identified by a special whistle that each creates soon after being born. Watch this video about how dolphins name themselves.

Dolphins are great communicators.

Dolphins are great communicators.- Dolphin Facts for Kids 

They squawk and whistle and also use body language to communicate, like slapping their tails on the water, blowing bubbles, snapping their jaws, and butting heads. They even leap as high as 20 feet in the air! 

Dolphins rely on echolocation.

Dolphins rely on echolocation.

The high-frequency clicks dolphins produce bounce off objects in the water, and those sounds bounce back to dolphins as echoes. This sonar system tells dolphins the location, size, shape, speed, and distance of the object. Watch this video to learn more.

Bottlenose dolphins have great hearing.

Bottlenose dolphins have great hearing. - Dolphin Facts for Kids 

It’s believed that sounds travel to the dolphin’s inner ear through its lower jaw before being transmitted to the brain. 

Dolphins shed their outermost layer of skin every two hours.

Dolphins shed their outermost layer of skin every two hours.- Dolphin Facts for Kids 

This sloughing rate, which is nine times faster than humans, helps improve swimming efficiency by keeping their bodies smooth. 

Dolphins have a blowhole.

Dolphins have a blowhole.

It’s located on the top of the dolphin’s head. When dolphins come up to the water’s surface for air, they open the blowhole to inhale and exhale and close it before dipping below the ocean surface. They can hold their breath for about seven minutes! 

Dolphins have lasting friendships.

Dolphins have lasting friendships.- Dolphin Facts for Kids 

These very playful and social mammals spend decades protecting, mating, and hunting with their close friends. They also cooperate to raise young dolphin calves together. Check out this amazing video of a dolphin super-pod.

Dolphins can swim up to 22 miles per hour.

Dolphins can swim up to 22 miles per hour.- Dolphin Facts for Kids 

They easily glide through the water using their curved dorsal fin, pointed flippers, and powerful tail.

Dolphins love to have fun!

Dolphins love to have fun!

These sea mammals enjoy surfing in the wakes and waves of boats and swimming through self-made bubble rings. 

Dolphins work together for food.

Dolphins work together for food.- Dolphin Facts for Kids 

These sea mammals cooperate as a group to create a mud ring to trap fish. Some will even wait outside of the ring to eat the fish that try to escape.

Bottlenose dolphins live in warm water.

Bottlenose dolphins live in warm water.- Dolphin Facts for Kids  

All around the world, dolphins can be found far out in the deep, dark water as well as the shallow water close to shore. 

Bottlenose dolphins have a total of 72 to 104 teeth.

Bottlenose dolphins have a total of 72 to 104 teeth.

They have 18 to 26 teeth on each side of the upper and lower jaws.

Dolphins don’t chew their food.

Dolphin Facts for Kids 

Dolphins may have a lot of teeth, but they don’t use them for chewing. Instead, their teeth are designed to grasp food so they can swallow it.

A dolphin’s skin is smooth and feels rubbery.

A dolphin’s skin is smooth and feels rubbery.- Dolphin Facts for Kids  

They don’t have hair or sweat glands, and their outer layer of skin (epidermis) is up to 20 times thicker than the epidermis of humans.

Dolphins are very smart.

Dolphins are very smart.

They have large brains, are quick learners, and have demonstrated problem-solving, empathy, teaching skills, self-awareness, and innovation. Watch this incredible video of a dolphin answering questions

Dolphins are survivors.

Dolphins are survivors.- Dolphin Facts for Kids 

Their brains, bodies, intelligence, and even sensory systems have evolved over millions of years to adapt to various changes in their habitats. 

Leaving trash on the beach puts dolphins at risk.

Leaving trash on the beach puts dolphins at risk.- Dolphin Facts for Kids 

Dolphins sometimes get trapped in the garbage humans leave on the beach. This has become a major problem. Watch this video about how we can keep plastics out of our oceans

Dolphins make up to 1,000 clicking noises per second.

Dolphins make up to 1,000 clicking noises per second.

These sounds travel under the water until they reach an object, then bounce back to the dolphin, allowing them to understand the location and shape of the object hit.

Dolphins have three stomach chambers.

Dolphins have three stomach chambers.

Because dolphins swallow their food whole, they need three stomachs to help digest their food.

Dolphins don’t have vocal chords.

Dolphins don’t have vocal chords.

Instead, the noises that dolphins make actually come from their blowhole.

Dolphins are born with hair.

Dolphins are born with hair.

A baby dolphin, named a calf, is born with whiskers that fall out soon after birth.

A dolphin can hold its breath for 5 to 7 minutes.

A dolphin can hold its breath for 5 to 7 minutes.

This aids the dolphin in finding prey and helping it survive.

There are dolphins in the Amazon River.

There are dolphins in the Amazon River.

These dolphins are more agile than other species of dolphins due to their surroundings, and they have vertebrae in their necks to turn their heads a full 180 degrees. Check out this video of the Amazon River dolphins in action!

Dolphins use tools.

Dolphins use tools.

Dolphins have been observed using sponges to protect their snouts while they forage for food at the bottom of the water.

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Rizwan Ahmed
Rizwan Ahmed
AuditStudent.com, founded by Rizwan Ahmed, is an educational platform dedicated to empowering students and professionals in the all fields of life. Discover comprehensive resources and expert guidance to excel in the dynamic education industry.
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