Atlantic Bottlenose Dolphin

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					Atlantic Bottlenose Dolphin
      Tursiops Truncatus
     By: Lindsey Gonzales
      Seth Cunningham
“There’s no place like home!”
                   In the Atlantic Ocean,
                    bottlenose dolphins
                    are found from Nova
                    Scotia and Norway to
                    Patagonia and the tip
                    of Southern Africa.
                    They are the most
                    abundant dolphin
                    species along US from
                    Cape Cod through the
                    Gulf of Mexico.
Survival of the Fittest ;
 How Dolphins Survive
                Dolphins are
                 carnivorous and they
                 are active
                 predators.Their
                 natural predators are
                 sharks and occasionally
                 killer whales.
                They migrate when
                 resource supplies are
                 low and when the
                 climate changes.
      Survival continued …
   Can swim at “burst”          Dolphins dive
    speeds of up to 18-22         regularly to depths
    mph but on average            of 10 - 150 ft., but
    swim 3-7 mph.                 the best trained
   Dolphins breath               can dive 1,795 ft.
    oxygen by surfacing 2
    - 3 times a minute, but
    can hold their breath
    for 5 - 10 minutes.
           Dinner Time !
 Dolphins eat fish and squid. Some types are
  mullet, sea trout, but they’re not picky. They
  eat almost any kind of fish.
 Dolphins eat approx. 4% to 5% of their body
  weight per day. An average Atlantic
  Bottlenose weighs 419 - 573 lbs, so that means
  they eat 20.95 - 28.65 lbs. of food every day!
    Dinner Time continued…
 Dolphins cooperate with each other when it’s
  time to hunt. Dolphin pods herd large schools
  of fish into small dense masses and then slap
  the masses with their tail flukes. It then stuns
  the fish and the dolphins feast.
 Dolphins swallow their food whole.
          “Awe, how cute!”
           Dolphin Babies
   Dolphins reproduce
    sexually.
   Female dolphins are
    pregnant for about 12
    months.
   A dolphin can calve
    ever 2 years but
    generally calves every
    tree years.
Dolphin babies continued...
   A mother dolphin is         Baby dolphins learn
    very protective of her       everything from their
    child and usually only       mom.
    lets the assisting          Within a few days of
    dolphin near the             birth, a baby calf can
    baby.                        vocalize.
   A baby dolphin
    nurses for up to 18
    months.
“Your getting so big!”
   A baby dolphin is
    about 42-52 in. long
    and weighs 44lb.
   Adult dolphins are
    about 8.2- 8.9 ft.
    long and weigh
    between 419- 573 lb.
          Long live the dolphins!
   A dolphins
    average life span
    is probably 20
    years or less.
   Bottlenose
    dolphins have
    lived as long as 48
    years.
    Endangered Species?
 Bottlenose dolphins are NOT endangered!
 In the Gulf of Mexico, there is estimated
  to be at least 67,000.
 In the western North Atlantic, the
  bottlenose population is estimated at
  about 11,700.
         Works Cited
 Web site:
  www.seaworld.org/bottlenose_dolphin/
  habdisdol.html
 Encyclopedia:
     The New Book of Knowledge: Book
  D; Volume 4
 Book:
     Marine Biology: Second Edition
     Herbert H. Webber/ Harold V.

				
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posted:6/28/2012
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