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BIRD CHARACTERISTICS

BIRD CHARACTERISTICS. By: Ariana Mejia. Characteristics. Vertebrates Endothermic Skin covered with feathers Four-chambered hearts Bones are lightweight and usually hollow Forelimbs are modified as wings Lay eggs. Characteristics. Vision is their most highly developed sense

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BIRD CHARACTERISTICS

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  1. BIRD CHARACTERISTICS By: Ariana Mejia

  2. Characteristics • Vertebrates • Endothermic • Skin covered with feathers • Four-chambered hearts • Bones are lightweight and usually hollow • Forelimbs are modified as wings • Lay eggs

  3. Characteristics • Vision is their most highly developed sense • They see in color • Different species have different beaks • Light skeleton made for flying • Most birds have a keel-shaped sternum • Rib cage connects the back with the sternum

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