Bird Bills
What substance makes up a bird's bill?
keratin
another word for feathers
plumage
Birds born with down feathers and able to run soon
precocial
grinds food
gizzard
a flock of small birds attack a large bird
mobbing
Bill with a hinge-like jaw
gaping
Particular colors or markings on birds
field marks
Birds that hatch without feathers and their eyes closed
altricial
Migration routes that birds follow year to year
flyways
a bird "bathes" himself in the dirt
dusting
Bill good for diverse purposed
all-purpose bill
Strong feathers found on the bird's body wings and tail
contour
Place where a bird loses feathers in order to better heat the eggs
brood patch
Structure on a bird's sternum that provides an attachment for this flight muscle
keel
This type of bird builds an impressive nest to attract a mate
bowerbird
Type of bill a woodpecker has
chiseling
Produces oil that a bird spreads over its feathers
preen gland
act of keeping eggs warm
incubation
food storage sac in a bird's esophagus
crop
birds move a short distance up or down mountains
altitudinal migration
Long, slender bills for eating crustaceans
probing bill
Soft, fluffy feathers found nearest a bird's body
down feathers
holds the yolk body in placd
chalazae
organ that allows a bird to make sound
syrinx
Group of bird that does not provide any parental care
megapodes