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Aves

Aves. Waterfowl, game birds, birds of prey, songbirds, perching birds, other birds of north america. Overview. Vocab Anatomy & Physiology Digestive Skeletal Wings. Vocab. Class – Aves Called AVIANS Lay eggs – Oviparous Feathers – Plumage Learning to Fly – Fledge

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Aves

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  1. Aves Waterfowl, game birds, birds of prey, songbirds, perching birds, other birds of north america

  2. Overview • Vocab • Anatomy & Physiology • Digestive • Skeletal • Wings

  3. Vocab Class – Aves Called AVIANS Lay eggs – Oviparous Feathers – Plumage Learning to Fly – Fledge Bunch of Eggs – Clutch Bunch of Babies – Brood/Clutch

  4. Anatomy Size of Bird – Gallinaceous – Turkeys, Chickens

  5. Digestive Anatomy

  6. Internal Anataomy

  7. Skeleton

  8. Wings

  9. Feathers

  10. Plumage

  11. Plumage Changes due to seasons Changes due to maturity Color Phase Molt!

  12. Waterfowl

  13. Overview • Adapted to living near water • Food • Shelter • Water-proofed feathers • Insulation – down • 149 species in the world • 10 only in North America • 50 in North America that migrate to 2 other CONTINENTS!

  14. Hunting • Limitations during nesting • Migration influence • Restoring wetlands • Nebraska Platte River example • Prairie Pothole States • Controversy with Landowners vs. Ducks Unlimited

  15. Ducks

  16. Male plumage most vivid of all waterfowl Beak with lamellae-bony teeth Webbed feet Feet placed far back on body – waddle Need open water for breeding and food – migrate Divers vs. Surface Feeders

  17. Common Merganser

  18. Merganser Diving Duck Uses Wings to help dive Lays eggs in hollow trees

  19. Wood Duck

  20. Wood Duck Dabbling Duck Woodlands Lays eggs in hollow trees Aquatic plants & animals, insects, seeds, nuts

  21. Mallard

  22. Mallard Female

  23. Mallard Dabbling Ducks Both sexes have blue speculum on secondary feathers Nests on ground Territorial during nesting Live for 5-10 years Mating pairs during winter

  24. Common Goldeneye

  25. Goldeneye

  26. Common Goldeneye Diving Duck Lays eggs in other hen’s nests, any species! Nests in tree cavities Eats aquatic plants, animals and insect

  27. Northern Pintail

  28. Pintail

  29. Northern Pintail Dabbler Will eat seeds off the ground Nests on the ground Mating by chasing and flying Copulate in the water

  30. Blue-Winged Teal

  31. Teal

  32. Blue-Winged Teal Dabbling duck Nests on ground Marsh duck Eats aquatic plants, but will also eat bugs & tadpoles

  33. Game & Fish Hunting Limits • Daily Bag – 6 • 5 mallards, 2 hens • 3 scaup • 3 wood ducks • 2 redheads • 2 pintails • 2 canvasbacks • 5 mergansers, 2 hooded • Possession Limit – 3x bag limit

  34. Location Limits

  35. Duck Stamp

  36. More Terms Fledge – grow first feathers Eclipse – feather pattern after molt

  37. Geese

  38. Geese Terms Baby – Gosling Female – Goose/Hen Male – Gander Herbivores!

  39. Canadian Geese

  40. Canadians

  41. Canadian Geese • Prefer marshy habitats • Some geese near humans no longer migrate • Nest on vegetation, platforms • Mate for life • Both parents raise the goslings • Chose mates of similar size • Subspecies • “Honkers” • “Graze”

  42. Snow Geese

  43. Snow Goose

  44. Snow Goose Grazers – 18 hours of grazing a day Food passes through in only an hour or two Nest on the ground Nesting in the tundra Eat all the food – populations too much “Blue Morph” – darker feathers

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