Flying Creatures Chapter 3

feather with solid vane and hooked barbules

soft feather with no shaft and no hooked barbules

feather with tip that crumbles into fine powder

feathers with shaft but no hooked barbules

sensory feathers that look like hair

stiff feathers found near eyelids used for sensing

stiff feathers found near eyelids

process of losing old feathers and replacing with new ones

order in which a bird loses its feathers

occurs when 2 feathers at the same position on opposite sides of a bird fall off at the same time

thick, hard, central pole running up middle of feather

material that the shaft is made of

bottom part of shaft where feather attaches to skin

the soft part of the feather

tiny "hairs" on barbs

when a bird uses it beak to hook barbules together

flight feathers on wings

flight feathers on tails

contour feathers that cover the bases of flight feathers

sac of oil used to clean and waterproof feathers

type of water bird that does not waterproof its feathers

chemicals that have specific colors

pigments that are brown and black

pigments that are red, orange, pink, and yellow

red and green pigments made by a bird

feathers that reflect light to produce colors

when a bird rubs an ant on its feathers

an animal which produces no pigments