about dolphin

7/29/2019 About Dolphin

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Dolphins are mammals

Their ancestors lived on land


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They breathe air from on top of

the water. They need to breathe

every six minutes. River dolphin

are blind. The Ganges riverdolphin can live up to twenty-

eight years.


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The dolphins colors are gray, black,

white, dark brown and pink. A

bottle nose dolphin can weigh upto four hundred forty pounds and

be three feet.


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Bottle nose dolphins live in all

oceans of the world. Dolphins swimclose to the shore. Dolphins will

swim very close to the shore as youwalk. River dolphins have long beaks

and can turn their heads up, down

and sideways. River dolphins live in

Asia and South America.


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They travel in a way calledporpoising, which means they travel

together in pods and jump out ofthe water. They follow and race

boats looking for unwanted fish

thrown overboard.


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The dolphins eat different species of

fish. They are known to swallow their

food whole.


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Dolphins get killed and tortured by

men. Men and sharks are killing

them. Dusky sharks tiger sharks

and bull sharks are there mainpredators. Sewage is their worst

killer


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Some people catch them in nets

and cut off their fins and thendump their bodies in the water to

bleed to death. Jetties can drown

there habitats.


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Species of Dolphins

Bottlenose Dolphin (Tursiops truncatus)
http://www.dolphinkind.com/bottlenose.htmlhttp://www.dolphinkind.com/bottlenose.htmlhttp://www.dolphinkind.com/bottlenose.html


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Hourglass Dolphin

(Lagenorynchus cruciger)


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Risso's Dolphin

(Grampus Griseus)
http://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.htmlhttp://www.dolphinkind.com/TYrisso.html


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Atlantic Spotted Dolphin

(Stenella frontalis)


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Hector's Dolphin

(Cephalorhynchus hectori)


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About baby dolphin

Baby dolphins are born not hatched

from eggs. Mothers have babies

every two or three years. They drinktheir mothers milk.


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A baby dolphin is called a calf. Baby

dolphins are born tail first and

suckle from their mother for up to

4 years. Mother dolphins producemilk that is extremely rich in fat,

often up to 50 percent.


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Some Interesting Facts about

Dolphins

Dolphins are of the aquatic mammal family

Delphinidae. It is estimated there are between30 to 40 species of dolphins.

Although they live in water, dolphins aremammals and breath air through theirblowhole, which is located at the top of their

head. Some types of dolphins must rise to the

surface to breathe every 20 to 30 seconds whileothers can hold their breath as long as 30minutes.


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Dolphins are highly social, playful, curious and

intelligent. They live in groups or families called

Pods.

Dolphins sleep by resting one half of their brain

at a time so that one eye is always open. This

allows them to rise to the surface to breathe

and to protect themselves from predators.

Male dolphins are called Bulls and female

dolphins are called Cows.


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Each dolphin has its own signature whistle to

identify itself.

Dolphins have excellent vision and well-

developed eyes.

Dolphins are carnivores eating mostly fish and

squid and sometimes crustaceans.

Dolphins have a thick layer of fat under their

skin called blubber, which helps them to keep

warm.


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THANK YOU

about dolphin

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