Exotics Questions - Avian Flashcards
Name the three parts of the axial skeleton of the bird
Skull
Vertebral column
Sternum
Name the three parts of the appendicular skeleton of the bird?
Pelvis and hind limbs
Feet
Muscles it
What name is given to the fused tail bone that attaches the tail feathers and acts as a rudder?
Pygostyle
Name each part of the digestive system of the bird?
Oesophagus Crop Proventriculus Gizzard Intestine Caeca Cloaca
Which part of the stomach is also known as the muscular stomach?
Prevonetriculus
Which part of the stomach is also known as the muscular stomach?
The gizzard
Name the 3 bones that make up the pectoral girdle?
The scapula
Coracoid
Clavicle
What is a birds beak made of?
Keratin
which of the feathers trap air underneath them and insulate the bird?
Down
What is the voice box called?
Syrinx
How much larger is the avian heart compared to the mammal heart?
50-100%
How many airsacs does a bird have?
9
Which gland produces a waterproofing substance?
Uropygial
Birds have descended from which other creature?
Reptiles
What is the protective ring of bony plates around the orbit called?
Sclerotic ring
How many cervical vertebrae does a bird have?
11-25
How many coccygeal vertebrae does a bird have?
12
What are the processes called that unite the ribs?
The uncinated processes
Which area is fused to the pelvis and acts as a shock absorber?
Synsacrum
Which 2 species of bird do not have a keel?
Emu
Ostrich
Which species of bird has 2 toes pointing forward and 2 toes pointing backwards?
Psittacines
What is the outer layer of the birds skin called?
Epidermis
What is the substance called that a bird will regurgitate to feed its young?
Bolus
Which eye structure allows colour vision?
Cones
