What word is it?
FEATHERS
What word is it?
SCALES
What word is it?
SKIN
What word is it?
CREEP
What word is it?
WINGS
What word is it?
EGGS
What word is it?
AMPHIBIANS
What word is it?
FUR
What word is it?
GILLS
What word is it?
MAMMALS
What word is it?
HUNT