There are many varieties of seals, which differ in size, appearance, and value.The common seals is found around our own coasts.It has a small head, somewhat like that of a dog with the ears cut off; whiskeys like those of the cat; and large, soft, sad eyes.The front limbs are very short,so that the paws are near the body; the hinder limbs are turned backward on each side of the tail.All the paws are like paddles, being covered with a skin which stretches between the fingers.