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محمد فاضل عيسى 

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محمد فاضل عيسى 

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Dolphins look like big fishes, but they are actually mammals. They belong to a large group of animals called whales. Dolphins are closely related to porpoises. Because dolphins and porpoises look so much alike, people often confuse the two. However, dolphins are usually larger and have longer, beaklike snouts.

There are more than 35 species, or types, of dolphin. They are divided into two groups: true dolphins and river dolphins. True dolphins live throughout the world in either salt water or freshwater. The most widespread species are the common dolphin and the bottlenose dolphin. River dolphins live only in South America and Asia. They prefer freshwater.

Most dolphins are 7–10 feet (2–3 meters) long, but some species can reach a length of 13 feet (4 meters). Dolphins have smooth, rubbery skin. They are usually colored in some mixture of black, white, and gray. They have two flippers, or fins, on their sides, as well as a triangular fin on the back. A dolphin must come up to the water’s surface to get air. It breathes through a single nostril, called a blowhole, on the top of its head.

Dolphins are known for being intelligent and playful. They live together in groups, called schools. They use sounds to communicate.

About 10 to 12 months after mating, a female dolphin gives birth to a single baby, or calf. The mother nudges the newborn calf up to the surface so that it can take its first breath. Some types of dolphin may live for 30 years.

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عيسى علي الخواجة 

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عيسى علي الخواجة 

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Dolphins feed on meat, especially fish and squid, but there are some species of deadly dolphins that feed on other marine mammals.

As we mentioned earlier, dolphins love to live in swarms, love surfing, Play and play with seaweed, sea birds and sea turtles, interact well with swimmers.

Dolphins breed  by birth, where the duration of pregnancy is eleven months, and then the mother continue to breastfeed its baby for one year.

Dolphins are characterized by smooth and spindle, which makes it easy to swim at a very high speed. And depends on determining directions on the echo, where there is in her head a round member called Melon which is responsible for determining trends, Dolphins live for long ages up to 250 years.Dolphins have the ability to hear sounds, they can hear the sound vibrations at a rate that exceeds the human ability to hear dozens of times.

It also has an acute vision and a high level of touch ,but lacks a sense of smell.  If they are in danger, they make a sound like a whistling sound to the other dolphins.

Although dolphins contain hair follicles, they contain only a few hairs on the beaks. The dolphins have only one lung, so they get oxygen from the air as they go out to the surface of the water, breathe in oxygen, then sink into the depths again. It lasts for long periods under water and it breathes in a voluntary manner.

One of the characteristics of the dolphins is that the brain is divided into two parts so that one part sleeps and the other remains to control the process of involuntary breathing and to be careful of the dangers and threats that may surround it, and sleep and one eye is open, but it is observed that the dolphins living in houses in captivity sleep completely and close both eyes .

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Dolphins are small-toothed cetaceans easily recognizable by their curved mouths, which give them a permanent “smile.” There are 36 dolphin species, found in every ocean. Most dolphins are marine and live in the ocean or brackish waters along coastlines. ... The largest dolphin, the orca, can grow to be over 30 feet long. I love dolphins

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1- Dolphins have 2 stomachs.
2- Dolphins can live up to 50 years.
3- Dolphins help the sick or injured members.
4- Dolphins never chew their food.
5- Dolphins are intelligent animals.
6- Dolphins are very friendly to humans and animals.
7- Dolphins communicate in different ways. They squeak, whistle and also use body language.

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Dolphins are one of the favorite fish and they are considered a friend to humans because they are fun. They can play with the ball, dance and swim. I love dolphins

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Dolphins look like big fishes, but they are actually mammals. They belong to a large group of animals called whales.

There are more than 35 types of dolphin. They are divided into two groups: true dolphins and river dolphins. True dolphins live throughout the world in either salt water or freshwater. The most widespread species are the common dolphin and the bottlenose dolphin. River dolphins live only in South America and Asia. They prefer freshwater.

Dolphins have smooth, rubbery skin. They are usually colored in some mixture of black, white, and gray. They have two flippers, or fins, on their sides, as well as a triangular fin on the back. A dolphin must come up to the water’s surface to get air. It breathes through a single nostril, called a blowhole, on the top of its head.

Dolphins are known for being intelligent and playful. They live together in groups, called schools. They use sounds to communicate.

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Dolphins
Dolphins are marine mammals. They must surface to breathe air and give birth to live young. There are 42 species of dolphins. Moreover, a dolphin’s pregnancy last between nine and 16 months. Dolphins eat fish, squid and crustaceans. They do not chew their food but may break it into smaller pieces before swallowing. Lastly, The orca (killer whale) is the largest dolphin.

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Dolphin is the common name of aquatic mammals within the infraorder Cetacea. The term dolphin usually refers to the extant families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and the extinct Lipotidae (baiji or Chinese river dolphin). There are 40 extant species named as dolphins.

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The dolphins are very intelligent, they are carnivores, they often display a playful attitude which makes them popular in human culture. They can be seen jumping out of the water, riding waves, play fighting and occasionally interacting with humans swimming in the water.
They use a blowhole on top of their heads to breath. They have excellent eyesight and hearing as well as the ability to use echolocation for finding the exact location of objects.
The dolphins communicate with each other by clicking, whistling and other sounds.

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5/1

Dolphins

The dolphins are a social group that loves people and lives only in swarms. It is fun and loves playing. It may harass the marine animals that are present with it just for fun and entertainment. They may also establish a friendship with children and play with them

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حسن فاضل ملا حسن

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حسن فاضل ملا حسن

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54 countries are known to keep dolphins and 60% of all captive animals worldwide are found in just five countries: China (23%), Japan (16%), the United States (13%), Mexico (8%) and Russia (5%)

Not to mention they are more than 300,00
of dolphins and more than 50 Type of dolphins

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Dolphin is the smartest animal in the world

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Dolphin is the smartest animal in the world