Birds Review Quiz

Class of Birds

• Aves

• Amphibia

• Reptilia

Appendage of birds adapted for flight

• Beak

• Crop

• Wings

• Feet

Light weight, waterproof external covering of birds

• feathers

• fur

• scales

Feather used for insulation

• Contour

• Downy

• Flight

Feather that gives birds their shape

• Downy

• Contour

• Flight

Large vaned feathers with interlocking barbules

• Downy

• Contour

• Flight

Barbs and barbules

• Interlocking hooks on feathers

• storage area in the digestive system

• Bones adapted for flight

Hollow shaft of the feather

• vane

• barb

• gizzard

Warm blooded

• Ectothermic

• Endothermic

The "wishbone"

• furculum

• keel

• crop