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The Class of Aves (Birds)

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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  1. The Class of Aves (Birds) Classification and subgroups By: Cara Catalane

  2. 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

  3. Ave Classification continued • Internally regulated body temp. • 4 chambered heart.

  4. Class Ave Information • Kingdom= Animalia • Phylum= Chordata • Two super orders: • Paleognathae “old jaws” • Neognathae “new jaws” • Classified by jaws

  5. 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

  6. 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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