The class of aves birds
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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)

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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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