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There are about 32 different species of
dolphins.
They are located just about everywhere in
the ocean
Dolphins are mammals.
They breathe through a blowhole that is
located on top of there head.
They surface every 2 minutes or so to
exhale then take a large breathe before submerging
again. They can stay under up to 15 minutes.
They never sleep, just nap for about 5
minutes they can suffacate.
They can live between 40-50 years old.
They can weigh up to 450 pounds.
They have an average of 200 to 250 sharp
teeth.
Average length of a dolphin is 12 to 13
feet.
They can swim as fast as 19 miles per hour
with bursts up to 25 miles an hour.
They can dive down more then 100 feet.
On average a dolphin eats mostly fish and
squid that is almost equal to 4 to 6% of there weight
in one day.
They send out clicking or whistling sounds
almost constately.
They travel in pods. A pod usually consist
of about 15 dolphins.
2700 bottledolphins have been taken into
captivity worldwide.
Between the years 1959-1972 an estimated
4.8 million dolphins were killed in tuna nets.
Adults of the most common studied species
the bottlenose, come to sexual maturiety after 5-12
years in the female and 9-13 years in the males.
They mate in the spring.
After a gestation period of 11-12 monthes a single calf is born, tail first.
The calves swim and breathe within minutes
of birth.
At birth they are about 3 feet long and 25
pounds.
They nurse for up to 18 monthes.
In the first two weeks calves double in size from drinking the mothers milk.
They will stay with their mother for about
5 years after there birth.
A dolphin may give birth up to 8 times in a lifetime.
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