Octopuses are soft bodied invertabates,so they don't have body coverings.the textur eof an octopus veries according to it's sorroundings,if it wants to hide it changes it's skin color & texture to mach it's sorroundings,
Wallabies have a body covering of fur.
another kind of body covering for a cheetah is fur it is golden brown with black spots
Shell.
hair
it has skin
fur
gray fur
Bird feathers.
skin
Rabbits are mammals. All mammals have a body covering of skin, fur or hair. In the rabbit's case, the body covering is skin and fur.
they have feathers and its called DOWN.
octopuses can cchange and blend in with all kind of colors