Dolphins

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Dolphins

• One of the many creatures of the sea!

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Dolphins

• Dolphins are warm blooded mammals. They have
  round teeth and hair on their body, though the
  amount of hair they have is very little.
• Dolphins are part of the cetaceans family. The
  cetaceans family includes both dolphins and
  whales. Dolphins are the toothed whale.
• Dolphins vary in color.
• Adult dolphins grow to be about 8 or 9 feet long.
• Dolphins give birth to a live baby.

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How a dolphin breathes

• Dolphins breathe through their blowhole which is
  located on the top of their head.
• Dolphins can refill their lungs in a fifth of a
  second. As it breaths, the air leaves the
  blowhole at a speed of 100 mph.
• There are complex nerve cells located around
  the hole that sense when the hole is near air and
  will then open.
• If water gets into the blowhole, a dolphin will
  drown, so powerful muscles close the hole as a
  dolphin dives into the water.

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A glance into the Dolphin World

• Click on the picture to view two videos of
  dolphins!

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More facts about Dolphins

• Dolphins can hold their breath for 5 to 8
  minutes.
• Each dolphin has its own whistle that
  distinguishes it from another. Its like having
  your own finger print.
• Dolphins usually live for 20 years, but some have
  been known to live for up to 40.
• Dolphins sleep partly awake. This means that
  they rest one side of their brain at a time.
• Dolphins closest land relatives are the cow, the
  pig and the deer.
• The gender difference between a male and a female
  dolphin can only be seen up close. A women has a
  mammary slit on the underside for birth.
• The common dolphin can be found in all temperate
  and tropical seas.
• There are dolphins that live in rivers also, but
  due to pollution and dams, river dolphins are in
  danger of extinction.

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The Difference between a Dolphin and a Porpoise
Dolphins
Porpoise

• Dolphins and Porpoise are both members of the
  whale family.
• Both have teeth.
• The body type of a dolphin and a porpoise are
  different. A dolphin has a large forehead.
• Another way to tell the difference between a
  dolphin and a porpoise is to look at their teeth.
  When a dolphins tooth is cut in half, it is
  round. All porpoises teeth are flat.
• A dolphin has a beak-like nose and a curved
  dorsal fin. A porpoise has a blunt like nose and
  has a triangular dorsal fun.

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Bottlenose Dolphin

• A Bottlenose dolphin is one type of dolphin.
• They can grow to be 12 feet long and weigh 1,400
  pounds.
• A Bottlenose dolphin has a distinct beak, as you
  can see in the diagram located to the right.
• They eat fish and squid fish that are found at
  the surface of the water.
• Dolphins have one main predator, the shark, but
  often, dolphins get caught in fishing nets.
• Bottlenose dolphins live in small pods of 12, but
  many times a bunch of small pods will join
  together to form a huge congregation of hundreds
  of dolphins. Bottlenose dolphins are very social.
• Dolphins can dive down 1,000 feet and can jump 20
  feet into the air.
• They live in warm seas and some temperate sea
  waters worldwide.

• Click the above picture for activity!

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A wave goodbye from the Dolphins!