6 Animal Classes
• Fishes
• Amphibians
•Mammals
•Insects •Birds • Reptiles
Kings and Queens of the Sky
• • • • • •
What’s a bird? History of birds! Why they can fly! Success Stories Migration! Bizarre Birds!!! Questions?
First Off What’s a Bird?
• • • • • Warm-Blooded Creatures Two legs and Wings Have Feathers Hollow boned Only creature able to fly
History of Birds
From Mesozoic era(205-65 Million years ago) to Cenozoic era(65Million years ago- Present day)
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.
Cretaceous period 135-65 Million years ago
In this period, Birds began to fly. And became more similar to the birds we see Today.
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.
Tertiary Era (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.
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.
Migration
• One of the main reasons why the bird isn’t 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.
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 • It’s 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----------
Even to this date we find new species
» Calayan Rail is the newest species found of the bird. » Found on the Calayan island.
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 Dodo’s population was severely hurt by a natural disaster before humans even came onto their island
Condor
• Related to the vulture family • Have few feathers on head and neck, for hygiene issues • Average life-span is over 50 years
Questions?