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Learning About Whales

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Narwhal. They live in icy Arctic waters. They have 2 teeth. ... Narwhal. Kinds of Whales. Orca. They are the largest types of dolphin. ... – PowerPoint PPT presentation

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Title: Learning About Whales


1
Learning About Whales
Prepared by Carm Esser
2
Facts
  • Whales are warm blooded mammals.
  • Whales breathe with lungs.
  • Whales have blubber.
  • A mother whale has one live calf and nurses her
    baby with milk.
  • The whale has a highly developed brain.
  • Whales belong to a group of animals known as
    cetaceans.

3
Facts
  • Whales use their flippers for balance and
    turning.
  • Whales use their tails called flukes for
    swimming.
  • Whales move through the water by moving their
    flukes up and down.
  • Whales cant stay underwater.
  • Whales have to come up for air.

4
Facts
  • When whales reach the surface, they blow air out
    their blowholes.
  • Whales cannot smell and most cannot taste.
  • Whales have poor eyesight.
  • They have a well developed sense of touch and
    hearing.
  • They use echolocation.

5
Facts
  • There are two subgroups of whales
  • . Baleen whales
  • They have no teeth but have hundreds of tiny
    plates called baleen (the same material as
    fingernails).
  • The baleen strains out food from the water.
  • They feed on plankton.

6
Facts
  • There are ten kinds of baleen whales.
  • They are generally larger in size.
  • They have two blowholes.

7
Facts
  • .Toothed whales
  • They have teeth.
  • There are 65 kinds of toothed whales.
  • The whales differ in size, shape, and in the
    number of teeth they have.
  • They actively hunt their food.
  • They have one blowhole.

8
Kinds of Whales
  • Beluga
  • They are toothed whales.
  • They are white as adults.
  • They grow to be about 15 feet and weigh up to
    3,300 pounds.
  • They have 34 teeth.
  • The teeth are not designed for chewing, but for
    grabbing and tearing prey.
  • They swallow their prey whole.
  • They are carnivores.

9
Kinds of Whales
  • Beluga

10
Kinds of Whales
  • Narwhal
  • They live in icy Arctic waters.
  • They have 2 teeth.
  • The males left tooth develops into a spiral tusk
    that can be up to 9 feet long.
  • No one really knows how the tusk is used.
  • They feed mainly on fish and squid.
  • They are gray with white underneath and with dark
    spots on the entire body.

11
Kinds of Whales
  • Narwhal

12
Kinds of Whales
  • Orca
  • They are the largest types of dolphin.
  • They are black and white in color.
  • They can be up to 30 feet long.
  • They have huge teeth that they use to capture and
    eat fish and marine animals.
  • They live in all the oceans.
  • They make loud noises underwater.

13
Kinds of Whales
  • Orca

14
Kinds of Whales
  • Humpback Whale
  • They are baleen whales.
  • They are found in all oceans.
  • They migrate.
  • They are slow swimmers.
  • They like to feed close to shore.
  • They are black on top and white underneath.

15
Kinds of Whales
  • They can grow to be 50 feet.
  • They can throw themselves out of the water, turn
    somersaults in mid air and underwater, and swim
    on their backs with both flippers in the air.
  • They are the most vocal of whales.
  • Their songs have been recorded by scientists.

16
Kinds of Whales
  • Humpback Whale

17
Kinds of Whales
  • Sperm Whale
  • They are the largest toothed whale.
  • They are blue gray in color.
  • They can grow to be 60 feet long.
  • They have enormous square shaped heads.
  • They are the deepest diving of all whales.
  • They can stay underwater for an hour.

18
Kinds of Whales
  • They dive deeply to catch giant squid.
  • They also feed on small squid, fish, octopus, and
    sharks.
  • They are found in all oceans.
  • Only the male migrates the female stays in
    warmer waters.
  • They have the largest brain of any living
    creature.

19
Kinds of Whales
  • Sperm Whale

20
Kinds of Whales
  • Blue Whale
  • They are the largest living animal on Earth.
  • They swim in oceans all over the world.
  • They are bluish gray.
  • They can grow to be 100 feet long.
  • They have baleen that acts as a strainer for
    small living plants and animals.
  • They are fast swimmers and can outswim boats.

21
Kinds of Whales
  • Blue Whale

22
Whale Behaviors
  • Toothed whales swim in herds of 100-1000 baleen
    whales swim in family groups.
  • Whales communicate with one another by making
    sounds called phonations.
  • Baleen whales migrate toothed whales dont
    migrate.
  • Whales can live 15-40 years.

23
Whale Behaviors
  • Breaching
  • leaping out of the water headfirst and then
    falling back with a splash

24
Whale Behaviors
  • Lobtailing
  • slapping its flukes on the waters surface.

25
Whale Behaviors
  • Sailing
  • raising the flukes high in the air and letting
    the wind push them

26
Whale Behaviors
  • Spyhopping
  • raising the head out of the water, body in a
    vertical position, as though to look around.

27
Whale Behaviors
  • Logging
  • when a group of whales rests on the waters
    surface, all facing the same direction.

28
Whale Behaviors
  • Blow/spout
  • the spray of mist that forms when a whale
    surfaces and exhales. Some spouts shoot 25 feet
    into the air. After the whale spouts, it
    breathes in fresh air.

29
Did You Know?
  • Human hunters are the whales worst enemy.
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