HUDSON,+AMEENA+R

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=__Dolphins__= =__By:Ameena Hudson__= =Period5=

Page 10.............Bibliograhpy
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===The reason why I chose to wright about dolphins is because I am really interested in them. They are very pretty and probably really fun to ride on.That is one of the reasons I chose to wright about dolphins. The second reason is because some dolphins can be soft and smart. Some can be hard and funny and some could probably be rough tender and mean.===

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===Dolphins are aguatic mammals divided into 2 families they are Delphinidage, the oceanic, the river dolphins. There are more than 30 species of the former, though the 6 largest are often known as whales. There are only 5 species of latter. Dolphins mostly called //Catacea.//===

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=== Dolphins are found all over the world. Some types of dolphins live in only a small area. Other types of dolphins can live in many different places. Bottlenose dolphins seem to be found almost everywhere! Most dolphins live in the sea but occasionally travel up rivers for short periods. In India ,China and Brazil there are dolphins which have become adapted to living in rivers all the time.===

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===Dolphins eat a variety of different foods. Most dolphins eat salmon, squids, herring, anchovies yellow eyed mullet, red cod from the ocean floor ,fish, eels, catfish, and last but not least shrimp. Large dolphins, such as Orcas may eat other marine mammals, such as sea lions or sea turtles. How much a dolphin eats depends a lot on what type of fish or squid they eat. Some fish like mackerel and herring has a lot of fat in them. That means the dolphins will get a lot of energy from eating these fish. However, squid does not have much fat, so a dolphin has to eat more squid to get the same energy it owuld get from fish.===

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===The Ocra, or Killer Whale, is the biggest dolphin. The largest males can weigh over eight tons and be as long as 10 metres (over 30 feet!). When dolphins are born, they weigh between twenty-five and thirty pounds. As babies they are between two and three feet long. dolphins grow in lenght and average size of ten feet long.They can grow up to fourteen feet long.When they are full grown they weigh between 400 and 600 pounds.===

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===The dolphin's fast cruising speed (a traveling speed they can maintain for quite a while) is about 3-3.5 m/s (6-7 knots, 11-12.5 km/hr). They can reach speeds of up to 4.6 m/s (9.3 knots, 16.5 km/hr) while traveling in this fashion. When they move faster, they will start jumping clear of the water (porpoising). They are actually saving energy by jumping. When chased by a speedboat, dolphins have been clocked at speeds of 7.3 m/s (14.6 knots, 26.3 km/hr), which they maintained for about 1500 meters, leaping constantly.===

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===There are 32 different types of dolphins. There are some types of dolphins that live inside of salt water. There are 5 species of river dolphins that live in fresh water. the Bottlenose dolphin, the Killer Whale, the Common dolphin, the False Killer Whale, the Hector's dolphin, the Short-Finned Pilot Whale, the Commerson's dolphin, the Long-Finned Pilot Whale, the Black dolphin, the Atlantic Humpbacked dolphin, the Haeviside's dolphin, the Indo-Pacific Humpbacked dolphin, the Southern Right Whale dolphin, the Tucuxi, the Northern Right dolphin, the Pygmy Killer Whale, the Spotted dolphin, the Melon-Headed Whale, the Atlantic Spotted dolphin, the Irrawaddy dolphin, the Striped dolphin, the Rough-Toothed dolphin, the Spinner dolphin, the Risso's dolphin, the Clymene dolphin, the Fraser's dolphin, the White-Beaked dolphin, the Peale's dolphin, the Atlantic White-Sided dolphin, the Hourglass dolphin, the Pacific White-Sided dolphin and the Dusky dolphin.===