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Dolphin

Adapted from Wikipedia · Explorer experience

Two Pacific White-sided dolphins leaping joyfully out of the water.

Meet the Dolphins

Dolphins are smart and friendly sea animals. They belong to a big family of aquatic mammal friends called cetacean animals. Some dolphins live in big oceans, while others live in rivers. They are part of the toothed whale family, which also includes animals like belugas and porpoises.

Dolphins have wonderful bodies made just for swimming. Their streamlined shapes and flippers help them glide through the water like fish. They have a special tail called a fluke that moves up and down to push them forward. Dolphins love to eat fish and shrimp, and they catch them with their teeth. They also have very good hearing that works both in air and water.

These amazing animals live all around the world, mostly in warm ocean waters. Some dolphins even live in rivers! Dolphins are very social and love to live in groups called pods. They talk to each other using clicks and whistles, almost like having their own language. Because they are so clever and move so gracefully, dolphins are famous all over the world. Some people even keep them in special places called dolphinariums where they can watch the dolphins swim and play.

The word “dolphin” comes from an old Greek word. It means “fish with a womb.” Long ago, people in Greece loved dolphins and thought they were helpers. Dolphins appear in stories, art, and even old coins from places like Tarentum. In many cultures, dolphins are seen as kind and special animals.

Dolphins come in many sizes. The tiny Maui's dolphin is about as long as a big chair, while the huge orca can be as long as a school bus! They all have ways to breathe air using a special hole on top of their heads called a blowhole. Dolphins also have a thick layer of fat called blubber to keep them warm and give them energy.

Even though dolphins are strong and smart, they sometimes face problems. Pollution and getting caught in fishing nets can be dangerous for them. Lucky for dolphins, many people work hard to keep their homes clean and safe so these wonderful animals can keep swimming and playing in the water.

Images

A curious Indo-Pacific Bottlenose Dolphin swimming gracefully underwater in the Red Sea.
Bottlenose dolphins surfacing in the water.
A friendly dolphin gazes curiously at a visitor at SeaWorld San Diego.
Animation showing how a dolphin uses echolocation to navigate and find food.
Dolphins communicating through clicks, whistles, and whines — shown as a sound spectrum.
Ancient fresco showing dolphins from the bronze age excavations at Knossos on Crete.
Dolphins jumping happily at SeaWorld in Orlando, Florida.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Dolphin, available under CC BY-SA 4.0.

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