Digestive System
Grit is important in a birds diet for
Breaking down food mechanically
The number of bones in a birds neck
13 to 25
A Bird with a lot in muscles in its head would be
A hard bill like a parrot or finch
The type of feathers used for powering flight
Flight feather
A fully formed ova is called
An egg
Bird Feaces is made up of what three parts
Urates
Urine
Feaces
Bird bones are what as well as hollow and rigid
Pneumatic
The Pectoralis major provides the force for the
Downstroke in flight
The middle of a feather is called a
Rachis
Some Bird testes grow during the breeding season to
Several hundred times
The Proventriculus breaks down food by
Secreting pepsin, hydrochloric acid and mucus to chemically break food down
The ring of bone in a birds eye is called
sclerotic ring
The Levator coccygis and the Levator caudae muscles work in harmony to move what
The tail and its feathers
Tail feathers are Arranged in a ........ shape
fan shape
when breeding birds copulate they do what is called a ........ kiss
cloacal
The caeca contains bacteria that break down
Plant cellulose into simple digestible carbohydrates
The bone also known as the wishbone that helps act as an anchor point for muscles
The furcula
A major shock absorbing muscle in a birds leg
iliotibialis,
Down feathers dont have a central
Rachis
Within the uterus or shell gland the egg receives its
Outer shell and pigmentation
The Gizzard (Ventriculus) is a
thick-walled muscular organ in which mechanical digestion occurs.
The three major adaptations for flight in birds are
. Rigidity
•Redistribution of mass
•Adaptation of the limbs
The two major muscles that anchor to the keel
supracoracoideus and the pectoralis major
Contour feathers do what
Cover the bird’s body and streamline its shape.
Many species birds only have the......... side being fully developed and functional
Left