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Journal # 7 March 14, 2014 Characteristics of Birds

Journal # 7 March 14, 2014 Characteristics of Birds. 1. List 6 characteristics of Birds. 2. Circle 2 that are unique. 3. Star 2 shared with mammals. 19 orders. Birds: Classification. Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Aves Within the class there are 29 Orders

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Journal # 7 March 14, 2014 Characteristics of Birds

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  1. Journal # 7 March 14, 2014Characteristics of Birds 1. List 6 characteristics of Birds. 2. Circle 2 that are unique. 3. Star 2 shared with mammals.

  2. 19 orders

  3. Birds: Classification • Kingdom: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Class: Aves • Within the class there are 29 Orders • 187 Families • 9600 Species

  4. Taxonomy of the Robin

  5. Characteristics Unique to Birds • Have Feathers • Right aortic arch in heart

  6. Shared with Mammals • Endothermic • 4 chambered heart

  7. Shared w/ Mammals Cont. • Large amount of parental care

  8. Shared with Reptiles • Egg laying • Egg tooth helps break out of shell • Scales: feathers and on feet • Skeletal characteristics (many) • Air sacs (similar to turtles and chameleons)

  9. Historical • Incomplete fossil record • Soft bones do not fossilize well • Archaeopteryx: (ancient wing) • 1. most primitive bird we know of BUT not necessarily the ancestor of birds • 2. Discovered in 1861 in Germany: fossil of skeleton with feathers • 3. From Jurassic period: 150 mya

  10. Archaeopteryx Cont. • 4. About the size of a crow • Long tail and teeth like a reptile • Feathers asymmetrical (characteristic of flight)

  11. Archaeopteryx

  12. Functions of Feathers • Flight

  13. Owl in Flight Owl in Flight

  14. Functions of Feathers • Insulation

  15. Feather Functions Courtship Behavior

  16. Feather Functions • Support

  17. Feather Functions • Communication

  18. Feather Functions • Sound Amplification

  19. Camouflage

  20. Feather Functions • Carrying Water (African Sand Grouse) • Specially adapted breast feathers can absorb up to 40ml of water. After wading through watering holes to absorb water, the male will return to the nest so the chicks can drink the water from the feathers.

  21. FEATHERS • Feathers are an adaptation of reptilian scales • Sizes range from 1/20 of an inch on an eyelid to 5 feet on a peacock tail! • 1,000 to 25,000 feathers per bird

  22. Feather Types • 1. Contour Feathers: smooth, patterned to contribute to appearance

  23. Feather Types • 2. Flight Feather: hollow central shaft (rachis) Flat vein on either side Barb comes off the vein, contains barbules

  24. Feather Types • 3. Down: very short rachis (shaft) • NON-INTERLOCKING BARBS • Insulation: traps air

  25. Feather Lab • Draw quality, gorgeous sketches! • Complete highlighting activity on back. • Turn in to green bin. • Organize Notebook • Show Mrs. Hadley

  26. New Dinosaur at Carnegie Museum…. • http://www.post-gazette.com/local/region/2014/03/19/Chicken-from-hell-actually-a-dinosaur-Carnegie-Musuem-scientists-say/stories/201403190180

  27. New Bird-Like DinosaurJournal # 8 March 24, 2014 • To what kind of modern bird is this animal compared? • Describe the diet of this animal. • Name 2 similarities between Anzu wyliei and modern birds. • What is the researcher’s theory on how the crest was used on the head of the animal? • How/why did they choose the name of dinosaur?

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