Cards (26)

  • damn u miss a
  • birds are tetrapods
  • birds have feathers
  • birds rely on metabolism for energy, therefore they need to eat frequently
  • birds
    • raptors
    • hummingbirds
    • shorebirds
    • wading birds
    • game birds
    • seabirds
    • flightless birds
    • waterfowl
    • perching birds
  • raptors
    • largest birds
    • can carry twice their weight
    • carnivores
    • hooked beaks and talons
  • shorebirds
    • mostly near water
    • rarely swim
  • seabirds
    • mostly on the ocean
    • nest on land
    • fly over ocean
  • wading birds
    • long legs
    • sharp beaks
  • flightless birds
    • they cant fly
    • lacks a keel
  • hummingbirds
    • small
    • scrappy personality
    • buzzing sound
    • hovering flight
    • high metabolism
  • game birds are birds that are hunted for food and sport, such as pheasants and partridge
  • waterfowls
    • designed for water
    • webbed feet
    • oily feathers
    • low density bones
    • some can fly
  • perching birds
    • most beloved for their songs
    • bright colors
    • feet automatically lock when perching
  • keel
    large flat structure on a bird's breastbone where wings attach
  • many bones of the bird are fused to give its skeleton rigidity, which weighs less than its feathers
  • contour feathers are visible featers of a bird
  • down feathers are found in the tail and wings of birds and are used for insulation
  • legs of a bird only have scales
  • high lift wings
    large and convex, lots of lift
  • high speed wings

    long and thin, little drag in the air
  • soaring wings
    long and thin like a glider
  • elliptical wings

    short and wide for quick take off and landings. low speed ,max manueverability
  • birds have 9 air sacs
  • courtship of birds/avians
    • males: visual and vocal displays to impress a female, have bright colors to defend the nest
    • females: dull colors to camouflage while incubating eggs
  • avian reproduction
    • birds have only one set of ovary
    • ovum and sperm meet in the oviduct
    • embryo is tiny with many yolk
    • ass embryo passes through the female's reproductive tract, they get a layer of albumen (egg whites)
    • egg passes thru the body and out the cloaca