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Class Aves: Birds

Class Aves: Birds. Characteristics . Feathers Wings Beak/Bill Oviparous Lightweight skeleton Molting. Penelopedis panini. Feathers. Made of keratin Plumage- covering of feathers on a bird. Function. Form flight surfaces that provide lift and aid steering Prevent excessive heat loss

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Class Aves: Birds

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  1. Class Aves: Birds

  2. Characteristics • Feathers • Wings • Beak/Bill • Oviparous • Lightweight skeleton • Molting Penelopedispanini

  3. Feathers • Made of keratin • Plumage- covering of feathers on a bird

  4. Function • Form flight surfaces that provide lift and aid steering • Prevent excessive heat loss • Incubation • Courtship • Water proofing

  5. Types of Feathers • Pennaceous Feathers • Plumulaceous Feathers

  6. Pennaceous Feathers • Flattened, tightly closed feathers that create aerodynamics surfaces such as those of wings and tails

  7. PlumulaceousFeathers • Rudimentary shaft to which a wispy tuft of barbs and barbules is attached.

  8. Skeleton

  9. Muscle • Strongest muscle of most birds are the flight muscles, it has a lot of mitochondria.

  10. Flight

  11. Digestion

  12. Sight

  13. Reproduction • Monogamous • Polygamous

  14. Nesting Activities • Clutch-group of eggs and chicks produced by a female. • Altricial-birds that are entirely dependent on their parents upon hatching. • Precocial-alert and lively at hatching.

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