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Behavior and reproduction

Most dolphins are marine and live in the ocean or brackish waters along coastlines. There are a few species, however, like the South Asian river dolphin and the Amazon river dolphin, or boto , that live in freshwater streams and rivers. The largest dolphin, the orca , can grow to be over 30 feet long. The smallest, the Maui dolphin, is just five feet long. Dolphins feed chiefly on fish and squid, which they track using echolocation, a built-in sonar that bounces sound waves off prey and reveals information like its location, size, and shape.

An echolocating bottlenose dolphin can make up to a thousand clicking noises per second.

Dolphin Fun with facts and pictures

All dolphins are members of Cetacea, a group of marine mammals that also contains the whales and the porpoises. The ancestors of all Cetaceans were hooved animals of the order Artiodactyla animals in this order are known as even-toed ungulates. The common bottlenose dolphin is found in tropical, subtropical and temperate oceans all around the world.


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The common bottlenose dolphin is often found in coastal regions. It inhabits the warm and shallow waters of harbors, lagoons, estuaries, bays and even the lower reaches of rivers. However, some populations are adapted to the deeper and cooler waters of the open sea. Dolphins found in colder areas have more blubber than those found in warm inshore areas.

The common bottlenose dolphin is a highly social animal. It lives in groups called pods which can contain from 2 to over individuals.

The bottlenose dolphin also associates with other cetaceans, including other dolphin species and large whales. Bottlenose dolphins engage in many types of social behavior, including bonding stroking, etc. Many populations of common bottlenose dolphin tend to remain in defined, long-term home ranges. However, some populations are migratory and may travel as far as 4, km 2, mi in a season.

Dolphin Facts

The common bottlenose dolphin uses a variety of squeaks and whistles to communicate with other individuals. This helps family members recognize each other. Body language, including leaping out of the water and slapping the surface of the water with the flukes, is also frequently used. The bottlenose dolphin is known for being highly intelligent.

Its brain mass is slightly larger than that of a human, ranging from 1, to 1, grams human brain mass is 1, to 1, grams.

Dolphin behaviour

These are thought to be a sign of intelligence, and are present in the brains of other intelligent animals such as apes including humans , whales and elephants. Dolphins have complex social lives and have been observed playing, engaging in teamwork and using tools — all signs of intelligence. Dolphins can be taught tricks and are capable of complex problem solving. Our best friends of the sea, the dolphins have always been a great fascination to humans.

Dolphin Facts for Kids

They are friendly, happy and social animals and have been positively noted for their playful nature, intelligence and occasional help to humans, whether it is fishing or rescuing their lives! Here's 15 facts about dolphins that you might not know. There have been 43 recognized species of dolphins! It has been researched that dolphins are "re-entrants" and actually lived on land before adapting to the water.

When studying their fins, scientists have found that they are actually formed like legs and toes.

25 Cool And Absolutely Extraordinary Dolphin Facts

So maybe our closest sea friends were wolf-like land animals once. Images of dolphins have been found carved into the desert city of Petra, Jordan.

Meet the Common Bottlenose Dolphin: Introduction

Petra was established as early as BC, so given that estimation dolphins have been around for quite a long time. Dolphins are the only animals give birth with the baby coming out tail first; the calf would drown if it was the other way. Just a tablespoon of water in a dolphin's lung could drown it, while a human would drown after two tablespoons.