6 Animal Classes

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6 Animal Classes

• Amphibians

• Fishes

• Mammals

• Insects

• Birds

• Reptiles

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Birds
by Jesse Shunk

• Kings and Queens of the Sky

by Jesse Shunk
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Slide Show Overview

• Whats a bird?
• History of birds!
• Why they can fly!
• Success Stories Migration!
• Bizarre Birds!!!
• Questions?

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First Off Whats a Bird?

• Warm-Blooded Creatures
• Two legs and Wings
• Have Feathers
• Hollow boned
• Only creature able to fly

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History of Birds
From Mesozoic era(205-65 Million years ago) to
Cenozoic era(65Million years ago- Present day)
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First Discovery of Jurassic period(205-135MYA)
Birds

• Archaeopteryx, Greek for "ancient wing,
• Link between birds and reptiles
• looked like a small dinosaur with feathers.
• Crow-sized, snout with teeth like reptile, wings
  and a tail with long feathers.
• The feathers were like modern feathers
• Believed only to glide.

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Cretaceous period135-65 Million years ago
In this period, Birds began to fly. And became
more similar to the birds we see Today.
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First Light Skeleton Bird

• Confuciusornis, found in china. lived in the
  early cretaceous time
• 120 million years ago
• Hole near shoulder-end reduced its bone weight.
• Also believed to glide.

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TertiaryEra(65-1.8MYA)

• Birds Expanded their number of species. This was
  also when mammals rose. Many of the birds we know
  today were created in this era. Also flightless
  birds which are now extinct.

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Why They Can Fly!!

• One reason they can fly is because they have
  feathers. Which help to lift and streamline the
  body.
• Also birds have hollow bones. This is important
  because it makes the skeleton a lot lighter.

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Migration

• One of the main reasons why the bird isnt
  extinct is, because of their ability to fly and
  their capability to reach all over the world.
  This is called Migration, they do this doing the
  beginning of different seasons.

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Now Time for BIZarre Facts on Birds
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Humming Birds

• The Humming Birds have the highest metabolism out
  of all the types of birds.
• This is do to how fast their wing rate and how
  they move their wings in a figure-8 motion. They
  average 53 wing-beats per second.
• Most adult Humming Birds die from natural causes.
• The average life-span of a Humming Bird is 3 to 4
  years
• Its normal for a Humming Bird to go to flowers
  trying to find nectar over a hundred times a day.
• They only weigh 1/10 of a ounce.
• Giant Humming
  Bird----------?

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Even to this date we find new species

• Calayan Rail is the newest species found of the
  bird.
• Found on the Calayan island.

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Dodo

• A flightless bird that went extinct in 1662
• The Dodo was completely fearless of humans and
  other animals the humans brought onto their
  island
• That is one reason why the Dodo became extinct
• Also it was theorized that the Dodos population
  was severely hurt by a natural disaster before
  humans even came onto their island

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Condor

• Related to the vulture family
• Have few feathers on head and neck, for hygiene
  issues
• Average life-span is over 50 years

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Questions?