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Class Aves (Birds)

Class Aves (Birds). Class Aves (Birds). Ornithologist – Zoologists that study birds. Characteristics of Birds. Vertebrate Feathers Wings (but not all fly) Scale-covered legs Homoeothermic (Keeps their body temperature at one temperature) Endothermic (Warm blooded). Designed For Flight.

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Class Aves (Birds)

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  1. Class Aves (Birds)

  2. Class Aves (Birds) • Ornithologist – Zoologists that study birds

  3. Characteristics of Birds • Vertebrate • Feathers • Wings (but not all fly) • Scale-covered legs • Homoeothermic (Keeps their body temperature at one temperature) • Endothermic (Warm blooded)

  4. Designed For Flight. The following characteristics equip birds for flying: • Compact, lightweight, and very strong skeleton

  5. Designed For Flight. • Lightweight beaks and skulls.

  6. Designed For Flight. • A nearly rigid backbone that gives a solid support for the strenuous muscle activity required for flying

  7. Designed For Flight. • Hollow spaces in the skeleton that provide room for air sacs, which contribute to the efficiency of the respiratory system and make the bird lighter.

  8. Designed For Flight. • Bipedal (“two-footed”) anatomy, which leaves the wings free for flying.

  9. Designed For Flight. • A prominent ridge, or keel, on the breastbone to allow for the attachment of flight muscles by strong tendons.

  10. Designed For Flight. • Three bones in the shoulder to support each wing.

  11. Designed For Flight. • An efficient circulatory system, including a four-chambered heart.

  12. Designed For Flight. • Powerful muscles to power the wings during flight.

  13. Perching Birds – • Three toes pointing forward and one toe pointing backward. • Leg has a special design that allows the bird to stay on their perch even if they are sleeping.

  14. Diagram of Perching Bird’s Leg

  15. Thrushes

  16. Robins

  17. Bluebird

  18. Goldfinch

  19. House Sparrow

  20. Humming Bird

  21. Woodpecker

  22. Birds of Prey - • Especially acute eyesight • Sharp, Powerful talons (grasping and killing their prey) • Hooked Beak

  23. Vultures

  24. California Condor

  25. Sea Eagle

  26. Bald Eagle

  27. Golden Eagle

  28. Hawks

  29. Osprey

  30. Falcons

  31. Owls

  32. Swimming and Wading Birds – • Many have water repellent feathers • Webbed or Lobed feet for swimming • Some Birds have very long legs designed for wading

  33. Ducks

  34. Geese

  35. Storks

  36. Herons

  37. Flamingos

  38. Cranes

  39. Egrets

  40. Game Birds – • Have been hunted for food and sport • Large flight muscles (Breast meat) allow them to burst into flight

  41. Quail

  42. Pheasant

  43. Partridge

  44. Grouse

  45. Doves

  46. Turkey

  47. Tropical Birds – • Live in the world’s tropical forests • Brightly colored • Many have large unusual beaks

  48. Parakeets

  49. Toucans

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