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The Class of Aves (Birds). Classification and subgroups . By: Cara Catalane. Ave (birds) Classification. About 30 orders of birds with certain characteristics: Vertebrates Feathers Pointed beaks, no teeth Hard-shelled external eggs

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the class of aves birds

The Class of Aves (Birds)

Classification and subgroups

By: Cara Catalane

ave birds classification
Ave (birds) Classification
  • About 30 orders of birds with certain characteristics:
    • Vertebrates
    • Feathers
    • Pointed beaks, no teeth
    • Hard-shelled external eggs
    • Young cared for until fully grown
    • Thin bones, air spaces
    • Forelimbs are wings
ave classification continued
Ave Classification continued
  • Internally regulated body temp.
  • 4 chambered heart.
class ave information
Class Ave Information
  • Kingdom= Animalia
  • Phylum= Chordata
  • Two super orders:
    • Paleognathae “old jaws”
    • Neognathae “new jaws”
    • Classified by jaws
paleognathae old jaws
Paleognathae “old jaws”
  • Long legs and neck
  • “Old jaw” form
  • Specialize in running
  • Usually known as ratites
  • Orders:
    • Tinamiformes (tinamous)
    • Apterygiformes (kiwis)
    • Casuariiformes (cassowaries and emus)
    • Rheiformes (rheas)
    • Struthoniformes (ostriches)

Kiwi

neognathae new jaws
Neognathae “new jaws”
  • Most birds
  • Fused metacarpals
  • Long third finger
  • About 13 vertebrae.
  • Have “recent jaw” form
  • Orders:
  • 2 super orders:
    • Galloanserae (fowl)
    • Neoaves

A Neognathae (neoave)

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