Penguin's+Body

=Penguin's Body=
 * Shaped like a torpedo, which allows for efficient swimming
 * Have a layer of fat under their skin called blubber
 * Covered with fluffy down feathers, with outer feathers that overlap to seal in warmth
 * Have a gland that secretes an oil that is rubbed onto their feathers to help make them "waterproof and windproof"